21576681

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1433}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 35792640

約数和(自身を除く): 14215959

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1433, 1673, 2151, 4299, 5019, 10031, 12897, 15057, 30093, 90279, 342487, 1027461, 2397409, 3082383, 7192227, 21576681]

約数ペア:

[(1, 21576681), (3, 7192227), (7, 3082383), (9, 2397409), (21, 1027461), (63, 342487), (239, 90279), (717, 30093), (1433, 15057), (1673, 12897), (2151, 10031), (4299, 5019)]