21000608629

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2713}}^1$

素因数の和:2811

約数の個数: 96

約数和(自身を含む): 30725085440

約数和(自身を除く): 9724476811

約数列:

[1, 7, 11, 13, 19, 37, 77, 91, 121, 133, 143, 209, 247, 259, 407, 481, 703, 847, 1001, 1463, 1573, 1729, 2299, 2713, 2717, 2849, 3367, 4477, 4921, 5291, 7733, 9139, 11011, 16093, 18991, 19019, 29843, 29887, 31339, 35269, 37037, 51547, 54131, 58201, 63973, 85063, 100381, 100529, 208901, 209209, 246883, 328273, 360829, 387959, 407407, 567017, 595441, 670111, 702667, 703703, 1104191, 1105819, 1304953, 1907239, 2297911, 2715713, 3969119, 4267549, 4690777, 6237187, 7371221, 7729337, 7740733, 9134671, 12146101, 13350673, 14354483, 20979629, 24794107, 29872843, 43660309, 51598547, 81083431, 85022707, 100481381, 146857403, 157899313, 173558749, 230775919, 272735177, 567584017, 1105295191, 1615431433, 1909146239, 3000086947, 21000608629]

約数ペア:

[(1, 21000608629), (7, 3000086947), (11, 1909146239), (13, 1615431433), (19, 1105295191), (37, 567584017), (77, 272735177), (91, 230775919), (121, 173558749), (133, 157899313), (143, 146857403), (209, 100481381), (247, 85022707), (259, 81083431), (407, 51598547), (481, 43660309), (703, 29872843), (847, 24794107), (1001, 20979629), (1463, 14354483), (1573, 13350673), (1729, 12146101), (2299, 9134671), (2713, 7740733), (2717, 7729337), (2849, 7371221), (3367, 6237187), (4477, 4690777), (4921, 4267549), (5291, 3969119), (7733, 2715713), (9139, 2297911), (11011, 1907239), (16093, 1304953), (18991, 1105819), (19019, 1104191), (29843, 703703), (29887, 702667), (31339, 670111), (35269, 595441), (37037, 567017), (51547, 407407), (54131, 387959), (58201, 360829), (63973, 328273), (85063, 246883), (100381, 209209), (100529, 208901)]