21145377

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{8111}}^1$

素因数の和:8204

約数の個数: 16

約数和(自身を含む): 31150080

約数和(自身を除く): 10004703

約数列:

[1, 3, 11, 33, 79, 237, 869, 2607, 8111, 24333, 89221, 267663, 640769, 1922307, 7048459, 21145377]

約数ペア:

[(1, 21145377), (3, 7048459), (11, 1922307), (33, 640769), (79, 267663), (237, 89221), (869, 24333), (2607, 8111)]