21045002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20353}}^1$

素因数の和:20413

約数の個数: 16

約数和(自身を含む): 35171712

約数和(自身を除く): 14126710

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20353, 40706, 223883, 447766, 956591, 1913182, 10522501, 21045002]

約数ペア:

[(1, 21045002), (2, 10522501), (11, 1913182), (22, 956591), (47, 447766), (94, 223883), (517, 40706), (1034, 20353)]