21056288

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1459}}^1$

素因数の和:1521

約数の個数: 48

約数和(自身を含む): 46357920

約数和(自身を除く): 25301632

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 164, 176, 328, 352, 451, 656, 902, 1312, 1459, 1804, 2918, 3608, 5836, 7216, 11672, 14432, 16049, 23344, 32098, 46688, 59819, 64196, 119638, 128392, 239276, 256784, 478552, 513568, 658009, 957104, 1316018, 1914208, 2632036, 5264072, 10528144, 21056288]

約数ペア:

[(1, 21056288), (2, 10528144), (4, 5264072), (8, 2632036), (11, 1914208), (16, 1316018), (22, 957104), (32, 658009), (41, 513568), (44, 478552), (82, 256784), (88, 239276), (164, 128392), (176, 119638), (328, 64196), (352, 59819), (451, 46688), (656, 32098), (902, 23344), (1312, 16049), (1459, 14432), (1804, 11672), (2918, 7216), (3608, 5836)]