21847221

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3023}}^1$

素因数の和:3113

約数の個数: 24

約数和(自身を含む): 34909056

約数和(自身を除く): 13061835

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 3023, 7227, 9069, 27207, 33253, 99759, 220679, 299277, 662037, 1986111, 2427469, 7282407, 21847221]

約数ペア:

[(1, 21847221), (3, 7282407), (9, 2427469), (11, 1986111), (33, 662037), (73, 299277), (99, 220679), (219, 99759), (657, 33253), (803, 27207), (2409, 9069), (3023, 7227)]