21903134

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{5003}}^1$

素因数の和:5215

約数の個数: 16

約数和(自身を含む): 36028800

約数和(自身を除く): 14125666

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 5003, 10006, 55033, 110066, 995597, 1991194, 10951567, 21903134]

約数ペア:

[(1, 21903134), (2, 10951567), (11, 1991194), (22, 995597), (199, 110066), (398, 55033), (2189, 10006), (4378, 5003)]