21915150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{757}}^1$

素因数の和:965

約数の個数: 48

約数和(自身を含む): 54703344

約数和(自身を除く): 32788194

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 193, 386, 579, 757, 965, 1158, 1514, 1930, 2271, 2895, 3785, 4542, 4825, 5790, 7570, 9650, 11355, 14475, 18925, 22710, 28950, 37850, 56775, 113550, 146101, 292202, 438303, 730505, 876606, 1461010, 2191515, 3652525, 4383030, 7305050, 10957575, 21915150]

約数ペア:

[(1, 21915150), (2, 10957575), (3, 7305050), (5, 4383030), (6, 3652525), (10, 2191515), (15, 1461010), (25, 876606), (30, 730505), (50, 438303), (75, 292202), (150, 146101), (193, 113550), (386, 56775), (579, 37850), (757, 28950), (965, 22710), (1158, 18925), (1514, 14475), (1930, 11355), (2271, 9650), (2895, 7570), (3785, 5790), (4542, 4825)]