21042562

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{19889}}^1$

素因数の和:19937

約数の個数: 12

約数和(自身を含む): 32997510

約数和(自身を除く): 11954948

約数列:

[1, 2, 23, 46, 529, 1058, 19889, 39778, 457447, 914894, 10521281, 21042562]

約数ペア:

[(1, 21042562), (2, 10521281), (23, 914894), (46, 457447), (529, 39778), (1058, 19889)]