21177608

素因数分解:

$2^3\times {\mathrm{521}}^1\times {\mathrm{5081}}^1$

素因数の和:5608

約数の個数: 16

約数和(自身を含む): 39792060

約数和(自身を除く): 18614452

約数列:

[1, 2, 4, 8, 521, 1042, 2084, 4168, 5081, 10162, 20324, 40648, 2647201, 5294402, 10588804, 21177608]

約数ペア:

[(1, 21177608), (2, 10588804), (4, 5294402), (8, 2647201), (521, 40648), (1042, 20324), (2084, 10162), (4168, 5081)]