21621127

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 26314848

約数和(自身を除く): 4693721

約数列:

[1, 11, 17, 23, 121, 187, 253, 391, 457, 2057, 2783, 4301, 5027, 7769, 10511, 47311, 55297, 85459, 115621, 178687, 940049, 1271831, 1965557, 21621127]

約数ペア:

[(1, 21621127), (11, 1965557), (17, 1271831), (23, 940049), (121, 178687), (187, 115621), (253, 85459), (391, 55297), (457, 47311), (2057, 10511), (2783, 7769), (4301, 5027)]