21028625

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{5801}}^1$

素因数の和:5845

約数の個数: 16

約数和(自身を含む): 27153360

約数和(自身を除く): 6124735

約数列:

[1, 5, 25, 29, 125, 145, 725, 3625, 5801, 29005, 145025, 168229, 725125, 841145, 4205725, 21028625]

約数ペア:

[(1, 21028625), (5, 4205725), (25, 841145), (29, 725125), (125, 168229), (145, 145025), (725, 29005), (3625, 5801)]