21904274

素因数分解:

$2^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{2213}}^1$

素因数の和:2330

約数の個数: 24

約数和(自身を含む): 38616588

約数和(自身を除く): 16712314

約数列:

[1, 2, 7, 14, 49, 98, 101, 202, 707, 1414, 2213, 4426, 4949, 9898, 15491, 30982, 108437, 216874, 223513, 447026, 1564591, 3129182, 10952137, 21904274]

約数ペア:

[(1, 21904274), (2, 10952137), (7, 3129182), (14, 1564591), (49, 447026), (98, 223513), (101, 216874), (202, 108437), (707, 30982), (1414, 15491), (2213, 9898), (4426, 4949)]