21568444

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{757}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 40113360

約数和(自身を除く): 18544916

約数列:

[1, 2, 4, 17, 34, 68, 419, 757, 838, 1514, 1676, 3028, 7123, 12869, 14246, 25738, 28492, 51476, 317183, 634366, 1268732, 5392111, 10784222, 21568444]

約数ペア:

[(1, 21568444), (2, 10784222), (4, 5392111), (17, 1268732), (34, 634366), (68, 317183), (419, 51476), (757, 28492), (838, 25738), (1514, 14246), (1676, 12869), (3028, 7123)]