21089661406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1311383}}^1$

素因数の和:1311456

約数の個数: 32

約数和(自身を含む): 37390180608

約数和(自身を除く): 16300519202

約数列:

[1, 2, 11, 17, 22, 34, 43, 86, 187, 374, 473, 731, 946, 1462, 8041, 16082, 1311383, 2622766, 14425213, 22293511, 28850426, 44587022, 56389469, 112778938, 245228621, 490457242, 620284159, 958620973, 1240568318, 1917241946, 10544830703, 21089661406]

約数ペア:

[(1, 21089661406), (2, 10544830703), (11, 1917241946), (17, 1240568318), (22, 958620973), (34, 620284159), (43, 490457242), (86, 245228621), (187, 112778938), (374, 56389469), (473, 44587022), (731, 28850426), (946, 22293511), (1462, 14425213), (8041, 2622766), (16082, 1311383)]