21776018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{7121}}^1$

素因数の和:7273

約数の個数: 16

約数和(自身を含む): 35894880

約数和(自身を除く): 14118862

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 7121, 14242, 78331, 156662, 989819, 1979638, 10888009, 21776018]

約数ペア:

[(1, 21776018), (2, 10888009), (11, 1979638), (22, 989819), (139, 156662), (278, 78331), (1529, 14242), (3058, 7121)]