21026125

素因数分解:

$5^3\times {\mathrm{59}}^1\times {\mathrm{2851}}^1$

素因数の和:2925

約数の個数: 16

約数和(自身を含む): 26694720

約数和(自身を除く): 5668595

約数列:

[1, 5, 25, 59, 125, 295, 1475, 2851, 7375, 14255, 71275, 168209, 356375, 841045, 4205225, 21026125]

約数ペア:

[(1, 21026125), (5, 4205225), (25, 841045), (59, 356375), (125, 168209), (295, 71275), (1475, 14255), (2851, 7375)]