2021125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 32

約数和(自身を含む): 2845440

約数和(自身を除く): 824315

約数列:

[1, 5, 19, 23, 25, 37, 95, 115, 125, 185, 437, 475, 575, 703, 851, 925, 2185, 2375, 2875, 3515, 4255, 4625, 10925, 16169, 17575, 21275, 54625, 80845, 87875, 106375, 404225, 2021125]

約数ペア:

[(1, 2021125), (5, 404225), (19, 106375), (23, 87875), (25, 80845), (37, 54625), (95, 21275), (115, 17575), (125, 16169), (185, 10925), (437, 4625), (475, 4255), (575, 3515), (703, 2875), (851, 2375), (925, 2185)]