21840200

素因数分解:

$2^3\times 5^2\times {\mathrm{109201}}^1$

素因数の和:109217

約数の個数: 24

約数和(自身を含む): 50778930

約数和(自身を除く): 28938730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 109201, 218402, 436804, 546005, 873608, 1092010, 2184020, 2730025, 4368040, 5460050, 10920100, 21840200]

約数ペア:

[(1, 21840200), (2, 10920100), (4, 5460050), (5, 4368040), (8, 2730025), (10, 2184020), (20, 1092010), (25, 873608), (40, 546005), (50, 436804), (100, 218402), (200, 109201)]