21911608

素因数分解:

$2^3\times {\mathrm{523}}^1\times {\mathrm{5237}}^1$

素因数の和:5766

約数の個数: 16

約数和(自身を含む): 41170680

約数和(自身を除く): 19259072

約数列:

[1, 2, 4, 8, 523, 1046, 2092, 4184, 5237, 10474, 20948, 41896, 2738951, 5477902, 10955804, 21911608]

約数ペア:

[(1, 21911608), (2, 10955804), (4, 5477902), (8, 2738951), (523, 41896), (1046, 20948), (2092, 10474), (4184, 5237)]