21151927

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1151}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 23887872

約数和(自身を除く): 2735945

約数列:

[1, 17, 23, 47, 391, 799, 1081, 1151, 18377, 19567, 26473, 54097, 450041, 919649, 1244231, 21151927]

約数ペア:

[(1, 21151927), (17, 1244231), (23, 919649), (47, 450041), (391, 54097), (799, 26473), (1081, 19567), (1151, 18377)]