21140408

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{44789}}^1$

素因数の和:44854

約数の個数: 16

約数和(自身を含む): 40311000

約数和(自身を除く): 19170592

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 44789, 89578, 179156, 358312, 2642551, 5285102, 10570204, 21140408]

約数ペア:

[(1, 21140408), (2, 10570204), (4, 5285102), (8, 2642551), (59, 358312), (118, 179156), (236, 89578), (472, 44789)]