21710269441

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1579}}^1\times {\mathrm{2687}}^1$

素因数の和:4333

約数の個数: 32

約数和(自身を含む): 26909245440

約数和(自身を除く): 5198975999

約数列:

[1, 7, 17, 43, 119, 301, 731, 1579, 2687, 5117, 11053, 18809, 26843, 45679, 67897, 115541, 187901, 319753, 475279, 808787, 1154249, 1964197, 4242773, 8079743, 13749379, 29699411, 72127141, 182439239, 504889987, 1277074673, 3101467063, 21710269441]

約数ペア:

[(1, 21710269441), (7, 3101467063), (17, 1277074673), (43, 504889987), (119, 182439239), (301, 72127141), (731, 29699411), (1579, 13749379), (2687, 8079743), (5117, 4242773), (11053, 1964197), (18809, 1154249), (26843, 808787), (45679, 475279), (67897, 319753), (115541, 187901)]