21274599

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2657}}^1$

素因数の和:2834

約数の個数: 16

約数和(自身を含む): 30237408

約数和(自身を除く): 8962809

約数列:

[1, 3, 17, 51, 157, 471, 2657, 2669, 7971, 8007, 45169, 135507, 417149, 1251447, 7091533, 21274599]

約数ペア:

[(1, 21274599), (3, 7091533), (17, 1251447), (51, 417149), (157, 135507), (471, 45169), (2657, 8007), (2669, 7971)]