21126782

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{709}}^1$

素因数の和:1075

約数の個数: 16

約数和(自身を含む): 32512320

約数和(自身を除く): 11385538

約数列:

[1, 2, 47, 94, 317, 634, 709, 1418, 14899, 29798, 33323, 66646, 224753, 449506, 10563391, 21126782]

約数ペア:

[(1, 21126782), (2, 10563391), (47, 449506), (94, 224753), (317, 66646), (634, 33323), (709, 29798), (1418, 14899)]