21008119

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 23901696

約数和(自身を除く): 2893577

約数列:

[1, 11, 37, 71, 407, 727, 781, 2627, 7997, 26899, 28897, 51617, 295889, 567787, 1909829, 21008119]

約数ペア:

[(1, 21008119), (11, 1909829), (37, 567787), (71, 295889), (407, 51617), (727, 28897), (781, 26899), (2627, 7997)]