21812050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1459}}^1$

素因数の和:1507

約数の個数: 48

約数和(自身を含む): 45622080

約数和(自身を除く): 23810030

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1459, 1495, 2918, 2990, 7295, 7475, 14590, 14950, 18967, 33557, 36475, 37934, 67114, 72950, 94835, 167785, 189670, 335570, 436241, 474175, 838925, 872482, 948350, 1677850, 2181205, 4362410, 10906025, 21812050]

約数ペア:

[(1, 21812050), (2, 10906025), (5, 4362410), (10, 2181205), (13, 1677850), (23, 948350), (25, 872482), (26, 838925), (46, 474175), (50, 436241), (65, 335570), (115, 189670), (130, 167785), (230, 94835), (299, 72950), (325, 67114), (575, 37934), (598, 36475), (650, 33557), (1150, 18967), (1459, 14950), (1495, 14590), (2918, 7475), (2990, 7295)]