21789573

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13627}}^1$

素因数の和:13684

約数の個数: 16

約数和(自身を含む): 32053056

約数和(自身を除く): 10263483

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 13627, 40881, 177151, 531453, 558707, 1676121, 7263191, 21789573]

約数ペア:

[(1, 21789573), (3, 7263191), (13, 1676121), (39, 558707), (41, 531453), (123, 177151), (533, 40881), (1599, 13627)]