21912902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2311}}^1$

素因数の和:2755

約数の個数: 16

約数和(自身を含む): 35956224

約数和(自身を除く): 14043322

約数列:

[1, 2, 11, 22, 431, 862, 2311, 4622, 4741, 9482, 25421, 50842, 996041, 1992082, 10956451, 21912902]

約数ペア:

[(1, 21912902), (2, 10956451), (11, 1992082), (22, 996041), (431, 50842), (862, 25421), (2311, 9482), (4622, 4741)]