21540335

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1414

約数の個数: 16

約数和(自身を含む): 26790912

約数和(自身を除く): 5250577

約数列:

[1, 5, 47, 71, 235, 355, 1291, 3337, 6455, 16685, 60677, 91661, 303385, 458305, 4308067, 21540335]

約数ペア:

[(1, 21540335), (5, 4308067), (47, 458305), (71, 303385), (235, 91661), (355, 60677), (1291, 16685), (3337, 6455)]