21571627

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{647}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 26998272

約数和(自身を除く): 5426645

約数列:

[1, 7, 11, 77, 433, 647, 3031, 4529, 4763, 7117, 33341, 49819, 280151, 1961057, 3081661, 21571627]

約数ペア:

[(1, 21571627), (7, 3081661), (11, 1961057), (77, 280151), (433, 49819), (647, 33341), (3031, 7117), (4529, 4763)]