21064728

素因数分解:

$2^3\times 3^1\times {\mathrm{127}}^1\times {\mathrm{6911}}^1$

素因数の和:7047

約数の個数: 32

約数和(自身を含む): 53084160

約数和(自身を除く): 32019432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 127, 254, 381, 508, 762, 1016, 1524, 3048, 6911, 13822, 20733, 27644, 41466, 55288, 82932, 165864, 877697, 1755394, 2633091, 3510788, 5266182, 7021576, 10532364, 21064728]

約数ペア:

[(1, 21064728), (2, 10532364), (3, 7021576), (4, 5266182), (6, 3510788), (8, 2633091), (12, 1755394), (24, 877697), (127, 165864), (254, 82932), (381, 55288), (508, 41466), (762, 27644), (1016, 20733), (1524, 13822), (3048, 6911)]