21595561

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1307}}^1$

素因数の和:1392

約数の個数: 16

約数和(自身を含む): 24611328

約数和(自身を除く): 3015767

約数列:

[1, 13, 31, 41, 403, 533, 1271, 1307, 16523, 16991, 40517, 53587, 526721, 696631, 1661197, 21595561]

約数ペア:

[(1, 21595561), (13, 1661197), (31, 696631), (41, 526721), (403, 53587), (533, 40517), (1271, 16991), (1307, 16523)]