21411368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{243311}}^1$

素因数の和:243328

約数の個数: 16

約数和(自身を含む): 43796160

約数和(自身を除く): 22384792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 243311, 486622, 973244, 1946488, 2676421, 5352842, 10705684, 21411368]

約数ペア:

[(1, 21411368), (2, 10705684), (4, 5352842), (8, 2676421), (11, 1946488), (22, 973244), (44, 486622), (88, 243311)]