21162542

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{29311}}^1$

素因数の和:29351

約数の個数: 12

約数和(自身を含む): 33503616

約数和(自身を除く): 12341074

約数列:

[1, 2, 19, 38, 361, 722, 29311, 58622, 556909, 1113818, 10581271, 21162542]

約数ペア:

[(1, 21162542), (2, 10581271), (19, 1113818), (38, 556909), (361, 58622), (722, 29311)]