21725769

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{5743}}^1$

素因数の和:5856

約数の個数: 16

約数和(自身を含む): 31523072

約数和(自身を除く): 9797303

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 5743, 17229, 74659, 223977, 557071, 1671213, 7241923, 21725769]

約数ペア:

[(1, 21725769), (3, 7241923), (13, 1671213), (39, 557071), (97, 223977), (291, 74659), (1261, 17229), (3783, 5743)]