21295195

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1423}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 26554752

約数和(自身を除く): 5259557

約数列:

[1, 5, 41, 73, 205, 365, 1423, 2993, 7115, 14965, 58343, 103879, 291715, 519395, 4259039, 21295195]

約数ペア:

[(1, 21295195), (5, 4259039), (41, 519395), (73, 291715), (205, 103879), (365, 58343), (1423, 14965), (2993, 7115)]