21156896593

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4134629}}^1$

素因数の和:4134696

約数の個数: 16

約数和(自身を含む): 26197015680

約数和(自身を除く): 5040119087

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 4134629, 28942403, 70288693, 177789047, 492020851, 1244523329, 3022413799, 21156896593]

約数ペア:

[(1, 21156896593), (7, 3022413799), (17, 1244523329), (43, 492020851), (119, 177789047), (301, 70288693), (731, 28942403), (5117, 4134629)]