21903670520

素因数分解:

$2^3\times 5^1\times {\mathrm{4649}}^1\times {\mathrm{117787}}^1$

素因数の和:122447

約数の個数: 32

約数和(自身を含む): 49294278000

約数和(自身を除く): 27390607480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4649, 9298, 18596, 23245, 37192, 46490, 92980, 117787, 185960, 235574, 471148, 588935, 942296, 1177870, 2355740, 4711480, 547591763, 1095183526, 2190367052, 2737958815, 4380734104, 5475917630, 10951835260, 21903670520]

約数ペア:

[(1, 21903670520), (2, 10951835260), (4, 5475917630), (5, 4380734104), (8, 2737958815), (10, 2190367052), (20, 1095183526), (40, 547591763), (4649, 4711480), (9298, 2355740), (18596, 1177870), (23245, 942296), (37192, 588935), (46490, 471148), (92980, 235574), (117787, 185960)]