21283018

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{937}}^1$

素因数の和:1257

約数の個数: 16

約数和(自身を含む): 32856264

約数和(自身を除く): 11573246

約数列:

[1, 2, 41, 82, 277, 554, 937, 1874, 11357, 22714, 38417, 76834, 259549, 519098, 10641509, 21283018]

約数ペア:

[(1, 21283018), (2, 10641509), (41, 519098), (82, 259549), (277, 76834), (554, 38417), (937, 22714), (1874, 11357)]