21715620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{361927}}^1$

素因数の和:361939

約数の個数: 24

約数和(自身を含む): 60803904

約数和(自身を除く): 39088284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 361927, 723854, 1085781, 1447708, 1809635, 2171562, 3619270, 4343124, 5428905, 7238540, 10857810, 21715620]

約数ペア:

[(1, 21715620), (2, 10857810), (3, 7238540), (4, 5428905), (5, 4343124), (6, 3619270), (10, 2171562), (12, 1809635), (15, 1447708), (20, 1085781), (30, 723854), (60, 361927)]