21847016

素因数分解:

$2^3\times {\mathrm{199}}^1\times {\mathrm{13723}}^1$

素因数の和:13928

約数の個数: 16

約数和(自身を含む): 41172000

約数和(自身を除く): 19324984

約数列:

[1, 2, 4, 8, 199, 398, 796, 1592, 13723, 27446, 54892, 109784, 2730877, 5461754, 10923508, 21847016]

約数ペア:

[(1, 21847016), (2, 10923508), (4, 5461754), (8, 2730877), (199, 109784), (398, 54892), (796, 27446), (1592, 13723)]