21311489

素因数分解:

${\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{9871}}^1$

素因数の和:10015

約数の個数: 8

約数和(自身を含む): 22745088

約数和(自身を除く): 1433599

約数列:

[1, 17, 127, 2159, 9871, 167807, 1253617, 21311489]

約数ペア:

[(1, 21311489), (17, 1253617), (127, 167807), (2159, 9871)]