21116686

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{3121}}^1$

素因数の和:3339

約数の個数: 16

約数和(自身を含む): 33717600

約数和(自身を除く): 12600914

約数列:

[1, 2, 17, 34, 199, 398, 3121, 3383, 6242, 6766, 53057, 106114, 621079, 1242158, 10558343, 21116686]

約数ペア:

[(1, 21116686), (2, 10558343), (17, 1242158), (34, 621079), (199, 106114), (398, 53057), (3121, 6766), (3383, 6242)]