21015929

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{379}}^1$

素因数の和:532

約数の個数: 12

約数和(自身を含む): 23315280

約数和(自身を除く): 2299351

約数列:

[1, 11, 71, 379, 781, 4169, 5041, 26909, 55451, 295999, 1910539, 21015929]

約数ペア:

[(1, 21015929), (11, 1910539), (71, 295999), (379, 55451), (781, 26909), (4169, 5041)]