21760864

素因数分解:

$2^5\times {\mathrm{680027}}^1$

素因数の和:680037

約数の個数: 12

約数和(自身を含む): 42841764

約数和(自身を除く): 21080900

約数列:

[1, 2, 4, 8, 16, 32, 680027, 1360054, 2720108, 5440216, 10880432, 21760864]

約数ペア:

[(1, 21760864), (2, 10880432), (4, 5440216), (8, 2720108), (16, 1360054), (32, 680027)]