21647103

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9871}}^1$

素因数の和:9934

約数の個数: 16

約数和(自身を含む): 31274496

約数和(自身を除く): 9627393

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9871, 29613, 167807, 424453, 503421, 1273359, 7215701, 21647103]

約数ペア:

[(1, 21647103), (3, 7215701), (17, 1273359), (43, 503421), (51, 424453), (129, 167807), (731, 29613), (2193, 9871)]