21267015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18413}}^1$

素因数の和:18439

約数の個数: 32

約数和(自身を含む): 42425856

約数和(自身を除く): 21158841

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18413, 55239, 92065, 128891, 202543, 276195, 386673, 607629, 644455, 1012715, 1417801, 1933365, 3038145, 4253403, 7089005, 21267015]

約数ペア:

[(1, 21267015), (3, 7089005), (5, 4253403), (7, 3038145), (11, 1933365), (15, 1417801), (21, 1012715), (33, 644455), (35, 607629), (55, 386673), (77, 276195), (105, 202543), (165, 128891), (231, 92065), (385, 55239), (1155, 18413)]