21868906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2389}}^1$

素因数の和:2613

約数の個数: 16

約数和(自身を含む): 34416000

約数和(自身を除く): 12547094

約数列:

[1, 2, 23, 46, 199, 398, 2389, 4577, 4778, 9154, 54947, 109894, 475411, 950822, 10934453, 21868906]

約数ペア:

[(1, 21868906), (2, 10934453), (23, 950822), (46, 475411), (199, 109894), (398, 54947), (2389, 9154), (4577, 4778)]