21375528051

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1277}}^1\times {\mathrm{328213}}^1$

素因数の和:329510

約数の個数: 16

約数和(自身を含む): 30200939424

約数和(自身を除く): 8825411373

約数列:

[1, 3, 17, 51, 1277, 3831, 21709, 65127, 328213, 984639, 5579621, 16738863, 419128001, 1257384003, 7125176017, 21375528051]

約数ペア:

[(1, 21375528051), (3, 7125176017), (17, 1257384003), (51, 419128001), (1277, 16738863), (3831, 5579621), (21709, 984639), (65127, 328213)]