21615816

素因数分解:

$2^3\times 3^1\times {\mathrm{900659}}^1$

素因数の和:900668

約数の個数: 16

約数和(自身を含む): 54039600

約数和(自身を除く): 32423784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 900659, 1801318, 2701977, 3602636, 5403954, 7205272, 10807908, 21615816]

約数ペア:

[(1, 21615816), (2, 10807908), (3, 7205272), (4, 5403954), (6, 3602636), (8, 2701977), (12, 1801318), (24, 900659)]