21096446721

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3500323}}^1$

素因数の和:3500381

約数の個数: 24

約数和(自身を含む): 33519102624

約数和(自身を除く): 12422655903

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 3500323, 10500969, 24502261, 73506783, 143513243, 171515827, 430539729, 514547481, 1004592701, 3013778103, 7032148907, 21096446721]

約数ペア:

[(1, 21096446721), (3, 7032148907), (7, 3013778103), (21, 1004592701), (41, 514547481), (49, 430539729), (123, 171515827), (147, 143513243), (287, 73506783), (861, 24502261), (2009, 10500969), (6027, 3500323)]