21574025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4129}}^1$

素因数の和:4169

約数の個数: 24

約数和(自身を含む): 30727200

約数和(自身を除く): 9153175

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 4129, 5225, 20645, 45419, 78451, 103225, 227095, 392255, 862961, 1135475, 1961275, 4314805, 21574025]

約数ペア:

[(1, 21574025), (5, 4314805), (11, 1961275), (19, 1135475), (25, 862961), (55, 392255), (95, 227095), (209, 103225), (275, 78451), (475, 45419), (1045, 20645), (4129, 5225)]