21979936

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1523}}^1$

素因数の和:1585

約数の個数: 48

約数和(自身を含む): 48390048

約数和(自身を除く): 26410112

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 164, 176, 328, 352, 451, 656, 902, 1312, 1523, 1804, 3046, 3608, 6092, 7216, 12184, 14432, 16753, 24368, 33506, 48736, 62443, 67012, 124886, 134024, 249772, 268048, 499544, 536096, 686873, 999088, 1373746, 1998176, 2747492, 5494984, 10989968, 21979936]

約数ペア:

[(1, 21979936), (2, 10989968), (4, 5494984), (8, 2747492), (11, 1998176), (16, 1373746), (22, 999088), (32, 686873), (41, 536096), (44, 499544), (82, 268048), (88, 249772), (164, 134024), (176, 124886), (328, 67012), (352, 62443), (451, 48736), (656, 33506), (902, 24368), (1312, 16753), (1523, 14432), (1804, 12184), (3046, 7216), (3608, 6092)]