21728184

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{6911}}^1$

素因数の和:7051

約数の個数: 32

約数和(自身を含む): 54743040

約数和(自身を除く): 33014856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 6911, 13822, 20733, 27644, 41466, 55288, 82932, 165864, 905341, 1810682, 2716023, 3621364, 5432046, 7242728, 10864092, 21728184]

約数ペア:

[(1, 21728184), (2, 10864092), (3, 7242728), (4, 5432046), (6, 3621364), (8, 2716023), (12, 1810682), (24, 905341), (131, 165864), (262, 82932), (393, 55288), (524, 41466), (786, 27644), (1048, 20733), (1572, 13822), (3144, 6911)]