21242360

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{9001}}^1$

素因数の和:9071

約数の個数: 32

約数和(自身を含む): 48610800

約数和(自身を除く): 27368440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 9001, 18002, 36004, 45005, 72008, 90010, 180020, 360040, 531059, 1062118, 2124236, 2655295, 4248472, 5310590, 10621180, 21242360]

約数ペア:

[(1, 21242360), (2, 10621180), (4, 5310590), (5, 4248472), (8, 2655295), (10, 2124236), (20, 1062118), (40, 531059), (59, 360040), (118, 180020), (236, 90010), (295, 72008), (472, 45005), (590, 36004), (1180, 18002), (2360, 9001)]