21715080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180959}}^1$

素因数の和:180973

約数の個数: 32

約数和(自身を含む): 65145600

約数和(自身を除く): 43430520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180959, 361918, 542877, 723836, 904795, 1085754, 1447672, 1809590, 2171508, 2714385, 3619180, 4343016, 5428770, 7238360, 10857540, 21715080]

約数ペア:

[(1, 21715080), (2, 10857540), (3, 7238360), (4, 5428770), (5, 4343016), (6, 3619180), (8, 2714385), (10, 2171508), (12, 1809590), (15, 1447672), (20, 1085754), (24, 904795), (30, 723836), (40, 542877), (60, 361918), (120, 180959)]