27821344

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{20219}}^1$

素因数の和:20272

約数の個数: 24

約数和(自身を含む): 56049840

約数和(自身を除く): 28228496

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 20219, 40438, 80876, 161752, 323504, 647008, 869417, 1738834, 3477668, 6955336, 13910672, 27821344]

約数ペア:

[(1, 27821344), (2, 13910672), (4, 6955336), (8, 3477668), (16, 1738834), (32, 869417), (43, 647008), (86, 323504), (172, 161752), (344, 80876), (688, 40438), (1376, 20219)]