11721052

素因数分解:

$2^2\times 7^1\times {\mathrm{647}}^2$

素因数の和:1305

約数の個数: 18

約数和(自身を含む): 23478392

約数和(自身を除く): 11757340

約数列:

[1, 2, 4, 7, 14, 28, 647, 1294, 2588, 4529, 9058, 18116, 418609, 837218, 1674436, 2930263, 5860526, 11721052]

約数ペア:

[(1, 11721052), (2, 5860526), (4, 2930263), (7, 1674436), (14, 837218), (28, 418609), (647, 18116), (1294, 9058), (2588, 4529)]