21225288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126341}}^1$

素因数の和:126357

約数の個数: 32

約数和(自身を含む): 60644160

約数和(自身を除く): 39418872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126341, 252682, 379023, 505364, 758046, 884387, 1010728, 1516092, 1768774, 2653161, 3032184, 3537548, 5306322, 7075096, 10612644, 21225288]

約数ペア:

[(1, 21225288), (2, 10612644), (3, 7075096), (4, 5306322), (6, 3537548), (7, 3032184), (8, 2653161), (12, 1768774), (14, 1516092), (21, 1010728), (24, 884387), (28, 758046), (42, 505364), (56, 379023), (84, 252682), (168, 126341)]