21280626

素因数分解:

$2^1\times 3^2\times {\mathrm{307}}^1\times {\mathrm{3851}}^1$

素因数の和:4166

約数の個数: 24

約数和(自身を含む): 46270224

約数和(自身を除く): 24989598

約数列:

[1, 2, 3, 6, 9, 18, 307, 614, 921, 1842, 2763, 3851, 5526, 7702, 11553, 23106, 34659, 69318, 1182257, 2364514, 3546771, 7093542, 10640313, 21280626]

約数ペア:

[(1, 21280626), (2, 10640313), (3, 7093542), (6, 3546771), (9, 2364514), (18, 1182257), (307, 69318), (614, 34659), (921, 23106), (1842, 11553), (2763, 7702), (3851, 5526)]