21480452259

素因数分解:

$3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{883}}^1\times {\mathrm{3701}}^1$

素因数の和:4907

約数の個数: 32

約数和(自身を含む): 32882763264

約数和(自身を除く): 11402311005

約数列:

[1, 3, 7, 21, 313, 883, 939, 2191, 2649, 3701, 6181, 6573, 11103, 18543, 25907, 77721, 276379, 829137, 1158413, 1934653, 3267983, 3475239, 5803959, 8108891, 9803949, 22875881, 24326673, 68627643, 1022878679, 3068636037, 7160150753, 21480452259]

約数ペア:

[(1, 21480452259), (3, 7160150753), (7, 3068636037), (21, 1022878679), (313, 68627643), (883, 24326673), (939, 22875881), (2191, 9803949), (2649, 8108891), (3701, 5803959), (6181, 3475239), (6573, 3267983), (11103, 1934653), (18543, 1158413), (25907, 829137), (77721, 276379)]