21066207

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{337}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 28684032

約数和(自身を除く): 7617825

約数列:

[1, 3, 67, 201, 311, 337, 933, 1011, 20837, 22579, 62511, 67737, 104807, 314421, 7022069, 21066207]

約数ペア:

[(1, 21066207), (3, 7022069), (67, 314421), (201, 104807), (311, 67737), (337, 62511), (933, 22579), (1011, 20837)]