21273025

素因数分解:

$5^2\times {\mathrm{523}}^1\times {\mathrm{1627}}^1$

素因数の和:2160

約数の個数: 12

約数和(自身を含む): 26445232

約数和(自身を除く): 5172207

約数列:

[1, 5, 25, 523, 1627, 2615, 8135, 13075, 40675, 850921, 4254605, 21273025]

約数ペア:

[(1, 21273025), (5, 4254605), (25, 850921), (523, 40675), (1627, 13075), (2615, 8135)]