21939250

素因数分解:

$2^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{691}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 41453568

約数和(自身を除く): 19514318

約数列:

[1, 2, 5, 10, 25, 50, 125, 127, 250, 254, 635, 691, 1270, 1382, 3175, 3455, 6350, 6910, 15875, 17275, 31750, 34550, 86375, 87757, 172750, 175514, 438785, 877570, 2193925, 4387850, 10969625, 21939250]

約数ペア:

[(1, 21939250), (2, 10969625), (5, 4387850), (10, 2193925), (25, 877570), (50, 438785), (125, 175514), (127, 172750), (250, 87757), (254, 86375), (635, 34550), (691, 31750), (1270, 17275), (1382, 15875), (3175, 6910), (3455, 6350)]