21615150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4969}}^1$

素因数の和:5013

約数の個数: 48

約数和(自身を含む): 55465200

約数和(自身を除く): 33850050

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 4969, 9938, 14907, 24845, 29814, 49690, 74535, 124225, 144101, 149070, 248450, 288202, 372675, 432303, 720505, 745350, 864606, 1441010, 2161515, 3602525, 4323030, 7205050, 10807575, 21615150]

約数ペア:

[(1, 21615150), (2, 10807575), (3, 7205050), (5, 4323030), (6, 3602525), (10, 2161515), (15, 1441010), (25, 864606), (29, 745350), (30, 720505), (50, 432303), (58, 372675), (75, 288202), (87, 248450), (145, 149070), (150, 144101), (174, 124225), (290, 74535), (435, 49690), (725, 29814), (870, 24845), (1450, 14907), (2175, 9938), (4350, 4969)]