21604011

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50359}}^1$

素因数の和:50386

約数の個数: 16

約数和(自身を含む): 33841920

約数和(自身を除く): 12237909

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 50359, 151077, 553949, 654667, 1661847, 1964001, 7201337, 21604011]

約数ペア:

[(1, 21604011), (3, 7201337), (11, 1964001), (13, 1661847), (33, 654667), (39, 553949), (143, 151077), (429, 50359)]