2021200715

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{2113}}^1\times {\mathrm{10069}}^1$

素因数の和:12206

約数の個数: 16

約数和(自身を含む): 2554557600

約数和(自身を除く): 533356885

約数列:

[1, 5, 19, 95, 2113, 10069, 10565, 40147, 50345, 191311, 200735, 956555, 21275797, 106378985, 404240143, 2021200715]

約数ペア:

[(1, 2021200715), (5, 404240143), (19, 106378985), (95, 21275797), (2113, 956555), (10069, 200735), (10565, 191311), (40147, 50345)]