21743821

素因数分解:

${\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{2531}}^1$

素因数の和:2624

約数の個数: 12

約数和(自身を含む): 24246432

約数和(自身を除く): 2502611

約数列:

[1, 11, 71, 121, 781, 2531, 8591, 27841, 179701, 306251, 1976711, 21743821]

約数ペア:

[(1, 21743821), (11, 1976711), (71, 306251), (121, 179701), (781, 27841), (2531, 8591)]