21611079

素因数分解:

$3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1103}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 35822592

約数和(自身を除く): 14211513

約数列:

[1, 3, 7, 9, 21, 63, 311, 933, 1103, 2177, 2799, 3309, 6531, 7721, 9927, 19593, 23163, 69489, 343033, 1029099, 2401231, 3087297, 7203693, 21611079]

約数ペア:

[(1, 21611079), (3, 7203693), (7, 3087297), (9, 2401231), (21, 1029099), (63, 343033), (311, 69489), (933, 23163), (1103, 19593), (2177, 9927), (2799, 7721), (3309, 6531)]