21859125

素因数分解:

$3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:910

約数の個数: 32

約数和(自身を含む): 36930816

約数和(自身を除く): 15071691

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 355, 375, 821, 1065, 1775, 2463, 4105, 5325, 8875, 12315, 20525, 26625, 58291, 61575, 102625, 174873, 291455, 307875, 874365, 1457275, 4371825, 7286375, 21859125]

約数ペア:

[(1, 21859125), (3, 7286375), (5, 4371825), (15, 1457275), (25, 874365), (71, 307875), (75, 291455), (125, 174873), (213, 102625), (355, 61575), (375, 58291), (821, 26625), (1065, 20525), (1775, 12315), (2463, 8875), (4105, 5325)]