21918200

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3779}}^1$

素因数の和:3824

約数の個数: 48

約数和(自身を含む): 52731000

約数和(自身を除く): 30812800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3779, 5800, 7558, 15116, 18895, 30232, 37790, 75580, 94475, 109591, 151160, 188950, 219182, 377900, 438364, 547955, 755800, 876728, 1095910, 2191820, 2739775, 4383640, 5479550, 10959100, 21918200]

約数ペア:

[(1, 21918200), (2, 10959100), (4, 5479550), (5, 4383640), (8, 2739775), (10, 2191820), (20, 1095910), (25, 876728), (29, 755800), (40, 547955), (50, 438364), (58, 377900), (100, 219182), (116, 188950), (145, 151160), (200, 109591), (232, 94475), (290, 75580), (580, 37790), (725, 30232), (1160, 18895), (1450, 15116), (2900, 7558), (3779, 5800)]