21011010991

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53736601}}^1$

素因数の和:53736641

約数の個数: 8

約数和(自身を含む): 23214212064

約数和(自身を除く): 2203201073

約数列:

[1, 17, 23, 391, 53736601, 913522217, 1235941823, 21011010991]

約数ペア:

[(1, 21011010991), (17, 1235941823), (23, 913522217), (391, 53736601)]