Divisors Calculator

The Divisors Calculator lists all positive divisors (factors) of a whole number, along with how many there are and their sum. Enter a positive integer.

Formula

Divisors are all integers d ≥ 1 that divide n with no remainder
  • Only test up to √n, adding both i and n/i for each factor found.
  • A number with exactly two divisors (1 and itself) is prime.

24

Inputs
  • Number: 24

Divisors of 24: 1, 2, 3, 4, 6, 8, 12, 24 — eight in total, summing to 60.

Frequently asked questions

What is a divisor?
A whole number that divides another exactly, with no remainder. 6 is a divisor of 24 because 24 ÷ 6 = 4.