21210717

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{6007}}^1$

素因数の和:6128

約数の個数: 16

約数和(自身を含む): 31145472

約数和(自身を除く): 9934755

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 6007, 18021, 66077, 198231, 642749, 1928247, 7070239, 21210717]

約数ペア:

[(1, 21210717), (3, 7070239), (11, 1928247), (33, 642749), (107, 198231), (321, 66077), (1177, 18021), (3531, 6007)]