21225854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{28151}}^1$

素因数の和:28195

約数の個数: 16

約数和(自身を含む): 35471520

約数和(自身を除く): 14245666

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 28151, 56302, 365963, 731926, 816379, 1632758, 10612927, 21225854]

約数ペア:

[(1, 21225854), (2, 10612927), (13, 1632758), (26, 816379), (29, 731926), (58, 365963), (377, 56302), (754, 28151)]