21905522

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2393}}^1$

素因数の和:2617

約数の個数: 16

約数和(自身を含む): 34473600

約数和(自身を除く): 12568078

約数列:

[1, 2, 23, 46, 199, 398, 2393, 4577, 4786, 9154, 55039, 110078, 476207, 952414, 10952761, 21905522]

約数ペア:

[(1, 21905522), (2, 10952761), (23, 952414), (46, 476207), (199, 110078), (398, 55039), (2393, 9154), (4577, 4786)]