21210079

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2740001

約数列:

[1, 11, 41, 131, 359, 451, 1441, 3949, 5371, 14719, 47029, 59081, 161909, 517319, 1928189, 21210079]

約数ペア:

[(1, 21210079), (11, 1928189), (41, 517319), (131, 161909), (359, 59081), (451, 47029), (1441, 14719), (3949, 5371)]