21090828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{159779}}^1$

素因数の和:159797

約数の個数: 24

約数和(自身を含む): 53686080

約数和(自身を除く): 32595252

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 159779, 319558, 479337, 639116, 958674, 1757569, 1917348, 3515138, 5272707, 7030276, 10545414, 21090828]

約数ペア:

[(1, 21090828), (2, 10545414), (3, 7030276), (4, 5272707), (6, 3515138), (11, 1917348), (12, 1757569), (22, 958674), (33, 639116), (44, 479337), (66, 319558), (132, 159779)]