12821168

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{7489}}^1$

素因数の和:7604

約数の個数: 20

約数和(自身を含む): 25076520

約数和(自身を除く): 12255352

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 7489, 14978, 29956, 59912, 119824, 801323, 1602646, 3205292, 6410584, 12821168]

約数ペア:

[(1, 12821168), (2, 6410584), (4, 3205292), (8, 1602646), (16, 801323), (107, 119824), (214, 59912), (428, 29956), (856, 14978), (1712, 7489)]