21607359

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1798

約数の個数: 16

約数和(自身を含む): 29712384

約数和(自身を除く): 8105025

約数列:

[1, 3, 61, 71, 183, 213, 1663, 4331, 4989, 12993, 101443, 118073, 304329, 354219, 7202453, 21607359]

約数ペア:

[(1, 21607359), (3, 7202453), (61, 354219), (71, 304329), (183, 118073), (213, 101443), (1663, 12993), (4331, 4989)]