21477939

素因数分解:

$3^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{1459}}^1$

素因数の和:2170

約数の個数: 16

約数和(自身を含む): 32797440

約数和(自身を除く): 11319501

約数列:

[1, 3, 7, 21, 701, 1459, 2103, 4377, 4907, 10213, 14721, 30639, 1022759, 3068277, 7159313, 21477939]

約数ペア:

[(1, 21477939), (3, 7159313), (7, 3068277), (21, 1022759), (701, 30639), (1459, 14721), (2103, 10213), (4377, 4907)]