21646359

素因数分解:

$3^4\times 7^1\times {\mathrm{38177}}^1$

素因数の和:38196

約数の個数: 20

約数和(自身を含む): 36956304

約数和(自身を除く): 15309945

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 38177, 114531, 267239, 343593, 801717, 1030779, 2405151, 3092337, 7215453, 21646359]

約数ペア:

[(1, 21646359), (3, 7215453), (7, 3092337), (9, 2405151), (21, 1030779), (27, 801717), (63, 343593), (81, 267239), (189, 114531), (567, 38177)]