16640526

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{396203}}^1$

素因数の和:396215

約数の個数: 16

約数和(自身を含む): 38035584

約数和(自身を除く): 21395058

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 396203, 792406, 1188609, 2377218, 2773421, 5546842, 8320263, 16640526]

約数ペア:

[(1, 16640526), (2, 8320263), (3, 5546842), (6, 2773421), (7, 2377218), (14, 1188609), (21, 792406), (42, 396203)]