21000565467

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1522111}}^1$

素因数の和:1522200

約数の個数: 32

約数和(自身を含む): 36043612160

約数和(自身を除く): 15043046693

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1533, 1971, 4599, 13797, 1522111, 4566333, 10654777, 13698999, 31964331, 41096997, 95892993, 111114103, 287678979, 333342309, 777798721, 1000026927, 2333396163, 3000080781, 7000188489, 21000565467]

約数ペア:

[(1, 21000565467), (3, 7000188489), (7, 3000080781), (9, 2333396163), (21, 1000026927), (27, 777798721), (63, 333342309), (73, 287678979), (189, 111114103), (219, 95892993), (511, 41096997), (657, 31964331), (1533, 13698999), (1971, 10654777), (4599, 4566333), (13797, 1522111)]