21082239

素因数分解:

$3^2\times {\mathrm{503}}^1\times {\mathrm{4657}}^1$

素因数の和:5166

約数の個数: 12

約数和(自身を含む): 30519216

約数和(自身を除く): 9436977

約数列:

[1, 3, 9, 503, 1509, 4527, 4657, 13971, 41913, 2342471, 7027413, 21082239]

約数ペア:

[(1, 21082239), (3, 7027413), (9, 2342471), (503, 41913), (1509, 13971), (4527, 4657)]