21360072

素因数分解:

$2^3\times 3^1\times {\mathrm{890003}}^1$

素因数の和:890012

約数の個数: 16

約数和(自身を含む): 53400240

約数和(自身を除く): 32040168

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 890003, 1780006, 2670009, 3560012, 5340018, 7120024, 10680036, 21360072]

約数ペア:

[(1, 21360072), (2, 10680036), (3, 7120024), (4, 5340018), (6, 3560012), (8, 2670009), (12, 1780006), (24, 890003)]