21345964

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{599}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 38304000

約数和(自身を除く): 16958036

約数列:

[1, 2, 4, 59, 118, 151, 236, 302, 599, 604, 1198, 2396, 8909, 17818, 35341, 35636, 70682, 90449, 141364, 180898, 361796, 5336491, 10672982, 21345964]

約数ペア:

[(1, 21345964), (2, 10672982), (4, 5336491), (59, 361796), (118, 180898), (151, 141364), (236, 90449), (302, 70682), (599, 35636), (604, 35341), (1198, 17818), (2396, 8909)]