21193997

素因数分解:

${\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2560

約数の個数: 12

約数和(自身を含む): 23633568

約数和(自身を除く): 2439571

約数列:

[1, 11, 71, 121, 781, 2467, 8591, 27137, 175157, 298507, 1926727, 21193997]

約数ペア:

[(1, 21193997), (11, 1926727), (71, 298507), (121, 175157), (781, 27137), (2467, 8591)]