21081074

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2417}}^1$

素因数の和:2522

約数の個数: 24

約数和(自身を含む): 37213020

約数和(自身を除く): 16131946

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1246, 2417, 4361, 4834, 8722, 16919, 33838, 118433, 215113, 236866, 430226, 1505791, 3011582, 10540537, 21081074]

約数ペア:

[(1, 21081074), (2, 10540537), (7, 3011582), (14, 1505791), (49, 430226), (89, 236866), (98, 215113), (178, 118433), (623, 33838), (1246, 16919), (2417, 8722), (4361, 4834)]