21008896084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{11777}}^1\times {\mathrm{40543}}^1$

素因数の和:52335

約数の個数: 24

約数和(自身を含む): 40112287488

約数和(自身を除く): 19103391404

約数列:

[1, 2, 4, 11, 22, 44, 11777, 23554, 40543, 47108, 81086, 129547, 162172, 259094, 445973, 518188, 891946, 1783892, 477474911, 954949822, 1909899644, 5252224021, 10504448042, 21008896084]

約数ペア:

[(1, 21008896084), (2, 10504448042), (4, 5252224021), (11, 1909899644), (22, 954949822), (44, 477474911), (11777, 1783892), (23554, 891946), (40543, 518188), (47108, 445973), (81086, 259094), (129547, 162172)]