21496514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7727}}^1$

素因数の和:7849

約数の個数: 16

約数和(自身を含む): 35054208

約数和(自身を除く): 13557694

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 7727, 15454, 100451, 200902, 826789, 1653578, 10748257, 21496514]

約数ペア:

[(1, 21496514), (2, 10748257), (13, 1653578), (26, 826789), (107, 200902), (214, 100451), (1391, 15454), (2782, 7727)]