21867150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1997}}^1$

素因数の和:2085

約数の個数: 48

約数和(自身を含む): 55000944

約数和(自身を除く): 33133794

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 146, 150, 219, 365, 438, 730, 1095, 1825, 1997, 2190, 3650, 3994, 5475, 5991, 9985, 10950, 11982, 19970, 29955, 49925, 59910, 99850, 145781, 149775, 291562, 299550, 437343, 728905, 874686, 1457810, 2186715, 3644525, 4373430, 7289050, 10933575, 21867150]

約数ペア:

[(1, 21867150), (2, 10933575), (3, 7289050), (5, 4373430), (6, 3644525), (10, 2186715), (15, 1457810), (25, 874686), (30, 728905), (50, 437343), (73, 299550), (75, 291562), (146, 149775), (150, 145781), (219, 99850), (365, 59910), (438, 49925), (730, 29955), (1095, 19970), (1825, 11982), (1997, 10950), (2190, 9985), (3650, 5991), (3994, 5475)]