21888200

素因数分解:

$2^3\times 5^2\times {\mathrm{109441}}^1$

素因数の和:109457

約数の個数: 24

約数和(自身を含む): 50890530

約数和(自身を除く): 29002330

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 109441, 218882, 437764, 547205, 875528, 1094410, 2188820, 2736025, 4377640, 5472050, 10944100, 21888200]

約数ペア:

[(1, 21888200), (2, 10944100), (4, 5472050), (5, 4377640), (8, 2736025), (10, 2188820), (20, 1094410), (25, 875528), (40, 547205), (50, 437764), (100, 218882), (200, 109441)]