Home
Class 12
MATHS
The number of odd proper divisors of...

The number of odd proper divisors of ` 3^n. 21 ^n` is

A

`(p+m+n +1)(m+1)(n+1)-2`

B

`(p+m+n+1)(n+1)-1`

C

`(p+m+n+1)(n+1)-2`

D

`(p+1)(m+1)(n+1)-2`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS & COMBINATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1A (PERMUTATIONS )|199 Videos

  • PERMUTATIONS & COMBINATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1B (COMBINATIONS )|222 Videos

  • PARTIAL FRACTIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 SET - 4|2 Videos

  • PROBABILITY

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) SET-4|5 Videos

Similar Questions

Explore conceptually related problems

Number of odd proper divisors of 3^(p).6^(m).21^(n) is

Number of even proper divisors of 1008 is

The number of positive odd divisors of 216 is

The number of positive divisors of 2520 is

The number of positive divisors of 2 ^5 , 3^6 ,7^3 is

The number of even divisors of 1600 is