21585861

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{647}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 34167744

約数和(自身を除く): 12581883

約数列:

[1, 3, 9, 11, 33, 99, 337, 647, 1011, 1941, 3033, 3707, 5823, 7117, 11121, 21351, 33363, 64053, 218039, 654117, 1962351, 2398429, 7195287, 21585861]

約数ペア:

[(1, 21585861), (3, 7195287), (9, 2398429), (11, 1962351), (33, 654117), (99, 218039), (337, 64053), (647, 33363), (1011, 21351), (1941, 11121), (3033, 7117), (3707, 5823)]