21126274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47797}}^1$

素因数の和:47829

約数の個数: 16

約数和(自身を含む): 36135288

約数和(自身を除く): 15009014

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47797, 95594, 621361, 812549, 1242722, 1625098, 10563137, 21126274]

約数ペア:

[(1, 21126274), (2, 10563137), (13, 1625098), (17, 1242722), (26, 812549), (34, 621361), (221, 95594), (442, 47797)]