21748081

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 23417856

約数和(自身を除く): 1669775

約数列:

[1, 31, 41, 71, 241, 1271, 2201, 2911, 7471, 9881, 17111, 90241, 306311, 530441, 701551, 21748081]

約数ペア:

[(1, 21748081), (31, 701551), (41, 530441), (71, 306311), (241, 90241), (1271, 17111), (2201, 9881), (2911, 7471)]