21792771

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 22236669

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 41, 59, 63, 77, 91, 99, 117, 123, 143, 177, 231, 273, 287, 369, 413, 429, 451, 531, 533, 649, 693, 767, 819, 861, 1001, 1239, 1287, 1353, 1599, 1947, 2301, 2419, 2583, 3003, 3157, 3717, 3731, 4059, 4543, 4797, 5369, 5841, 5863, 6903, 7257, 8437, 9009, 9471, 11193, 13629, 16107, 16933, 17589, 21771, 25311, 26609, 28413, 31447, 33579, 40887, 41041, 48321, 50799, 52767, 59059, 75933, 79827, 94341, 123123, 152397, 177177, 186263, 220129, 239481, 283023, 345917, 369369, 531531, 558789, 660387, 1037751, 1676367, 1981161, 2421419, 3113253, 7264257, 21792771]

約数ペア:

[(1, 21792771), (3, 7264257), (7, 3113253), (9, 2421419), (11, 1981161), (13, 1676367), (21, 1037751), (33, 660387), (39, 558789), (41, 531531), (59, 369369), (63, 345917), (77, 283023), (91, 239481), (99, 220129), (117, 186263), (123, 177177), (143, 152397), (177, 123123), (231, 94341), (273, 79827), (287, 75933), (369, 59059), (413, 52767), (429, 50799), (451, 48321), (531, 41041), (533, 40887), (649, 33579), (693, 31447), (767, 28413), (819, 26609), (861, 25311), (1001, 21771), (1239, 17589), (1287, 16933), (1353, 16107), (1599, 13629), (1947, 11193), (2301, 9471), (2419, 9009), (2583, 8437), (3003, 7257), (3157, 6903), (3717, 5863), (3731, 5841), (4059, 5369), (4543, 4797)]