21487352

素因数分解:

$2^3\times {\mathrm{1217}}^1\times {\mathrm{2207}}^1$

素因数の和:3430

約数の個数: 16

約数和(自身を含む): 40340160

約数和(自身を除く): 18852808

約数列:

[1, 2, 4, 8, 1217, 2207, 2434, 4414, 4868, 8828, 9736, 17656, 2685919, 5371838, 10743676, 21487352]

約数ペア:

[(1, 21487352), (2, 10743676), (4, 5371838), (8, 2685919), (1217, 17656), (2207, 9736), (2434, 8828), (4414, 4868)]