21320794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^2\times {\mathrm{103}}^1$

素因数の和:310

約数の個数: 24

約数和(自身を含む): 35594208

約数和(自身を除く): 14273414

約数列:

[1, 2, 11, 22, 97, 103, 194, 206, 1067, 1133, 2134, 2266, 9409, 9991, 18818, 19982, 103499, 109901, 206998, 219802, 969127, 1938254, 10660397, 21320794]

約数ペア:

[(1, 21320794), (2, 10660397), (11, 1938254), (22, 969127), (97, 219802), (103, 206998), (194, 109901), (206, 103499), (1067, 19982), (1133, 18818), (2134, 9991), (2266, 9409)]