21383152

素因数分解:

$2^4\times 7^1\times {\mathrm{190921}}^1$

素因数の和:190936

約数の個数: 20

約数和(自身を含む): 47348656

約数和(自身を除く): 25965504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190921, 381842, 763684, 1336447, 1527368, 2672894, 3054736, 5345788, 10691576, 21383152]

約数ペア:

[(1, 21383152), (2, 10691576), (4, 5345788), (7, 3054736), (8, 2672894), (14, 1527368), (16, 1336447), (28, 763684), (56, 381842), (112, 190921)]