21628652

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 38623200

約数和(自身を除く): 16994548

約数列:

[1, 2, 4, 109, 113, 218, 226, 436, 439, 452, 878, 1756, 12317, 24634, 47851, 49268, 49607, 95702, 99214, 191404, 198428, 5407163, 10814326, 21628652]

約数ペア:

[(1, 21628652), (2, 10814326), (4, 5407163), (109, 198428), (113, 191404), (218, 99214), (226, 95702), (436, 49607), (439, 49268), (452, 47851), (878, 24634), (1756, 12317)]