11821388

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{68729}}^1$

素因数の和:68776

約数の個数: 12

約数和(自身を含む): 21168840

約数和(自身を除く): 9347452

約数列:

[1, 2, 4, 43, 86, 172, 68729, 137458, 274916, 2955347, 5910694, 11821388]

約数ペア:

[(1, 11821388), (2, 5910694), (4, 2955347), (43, 274916), (86, 137458), (172, 68729)]