21751347

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{6007}}^1$

素因数の和:6098

約数の個数: 16

約数和(自身を含む): 31145472

約数和(自身を除く): 9394125

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 6007, 18021, 102119, 306357, 426497, 1279491, 7250449, 21751347]

約数ペア:

[(1, 21751347), (3, 7250449), (17, 1279491), (51, 426497), (71, 306357), (213, 102119), (1207, 18021), (3621, 6007)]