21152186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6917}}^1$

素因数の和:7069

約数の個数: 16

約数和(自身を含む): 34866720

約数和(自身を除く): 13714534

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 6917, 13834, 76087, 152174, 961463, 1922926, 10576093, 21152186]

約数ペア:

[(1, 21152186), (2, 10576093), (11, 1922926), (22, 961463), (139, 152174), (278, 76087), (1529, 13834), (3058, 6917)]