21976836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4289}}^1$

素因数の和:4364

約数の個数: 48

約数和(自身を含む): 59579520

約数和(自身を除く): 37602684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 4289, 5124, 8578, 12867, 17156, 25734, 30023, 51468, 60046, 90069, 120092, 180138, 261629, 360276, 523258, 784887, 1046516, 1569774, 1831403, 3139548, 3662806, 5494209, 7325612, 10988418, 21976836]

約数ペア:

[(1, 21976836), (2, 10988418), (3, 7325612), (4, 5494209), (6, 3662806), (7, 3139548), (12, 1831403), (14, 1569774), (21, 1046516), (28, 784887), (42, 523258), (61, 360276), (84, 261629), (122, 180138), (183, 120092), (244, 90069), (366, 60046), (427, 51468), (732, 30023), (854, 25734), (1281, 17156), (1708, 12867), (2562, 8578), (4289, 5124)]