21009156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{250109}}^1$

素因数の和:250123

約数の個数: 24

約数和(自身を含む): 56024640

約数和(自身を除く): 35015484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 250109, 500218, 750327, 1000436, 1500654, 1750763, 3001308, 3501526, 5252289, 7003052, 10504578, 21009156]

約数ペア:

[(1, 21009156), (2, 10504578), (3, 7003052), (4, 5252289), (6, 3501526), (7, 3001308), (12, 1750763), (14, 1500654), (21, 1000436), (28, 750327), (42, 500218), (84, 250109)]