21415186

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4139}}^1$

素因数の和:4353

約数の個数: 16

約数和(自身を含む): 34776000

約数和(自身を除く): 13360814

約数列:

[1, 2, 13, 26, 199, 398, 2587, 4139, 5174, 8278, 53807, 107614, 823661, 1647322, 10707593, 21415186]

約数ペア:

[(1, 21415186), (2, 10707593), (13, 1647322), (26, 823661), (199, 107614), (398, 53807), (2587, 8278), (4139, 5174)]