21718568

素因数分解:

$2^3\times {\mathrm{1451}}^1\times {\mathrm{1871}}^1$

素因数の和:3328

約数の個数: 16

約数和(自身を含む): 40772160

約数和(自身を除く): 19053592

約数列:

[1, 2, 4, 8, 1451, 1871, 2902, 3742, 5804, 7484, 11608, 14968, 2714821, 5429642, 10859284, 21718568]

約数ペア:

[(1, 21718568), (2, 10859284), (4, 5429642), (8, 2714821), (1451, 14968), (1871, 11608), (2902, 7484), (3742, 5804)]