21823121

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{457}}^1$

素因数の和:580

約数の個数: 12

約数和(自身を含む): 23602572

約数和(自身を除く): 1779451

約数列:

[1, 17, 53, 457, 901, 2809, 7769, 24221, 47753, 411757, 1283713, 21823121]

約数ペア:

[(1, 21823121), (17, 1283713), (53, 411757), (457, 47753), (901, 24221), (2809, 7769)]