21883565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2441}}^1$

素因数の和:2620

約数の個数: 16

約数和(自身を含む): 28835136

約数和(自身を除く): 6951571

約数列:

[1, 5, 11, 55, 163, 815, 1793, 2441, 8965, 12205, 26851, 134255, 397883, 1989415, 4376713, 21883565]

約数ペア:

[(1, 21883565), (5, 4376713), (11, 1989415), (55, 397883), (163, 134255), (815, 26851), (1793, 12205), (2441, 8965)]