21692580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 77898240

約数和(自身を除く): 56205660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 29, 30, 35, 39, 42, 52, 58, 60, 65, 70, 78, 84, 87, 91, 105, 116, 130, 137, 140, 145, 156, 174, 182, 195, 203, 210, 260, 273, 274, 290, 348, 364, 377, 390, 406, 411, 420, 435, 455, 546, 548, 580, 609, 685, 754, 780, 812, 822, 870, 910, 959, 1015, 1092, 1131, 1218, 1365, 1370, 1508, 1644, 1740, 1781, 1820, 1885, 1918, 2030, 2055, 2262, 2436, 2639, 2730, 2740, 2877, 3045, 3562, 3770, 3836, 3973, 4060, 4110, 4524, 4795, 5278, 5343, 5460, 5655, 5754, 6090, 7124, 7540, 7917, 7946, 8220, 8905, 9590, 10556, 10686, 11310, 11508, 11919, 12180, 12467, 13195, 14385, 15834, 15892, 17810, 19180, 19865, 21372, 22620, 23838, 24934, 26390, 26715, 27811, 28770, 31668, 35620, 37401, 39585, 39730, 47676, 49868, 51649, 52780, 53430, 55622, 57540, 59595, 62335, 74802, 79170, 79460, 83433, 103298, 106860, 111244, 119190, 124670, 139055, 149604, 154947, 158340, 166866, 187005, 206596, 238380, 249340, 258245, 278110, 309894, 333732, 361543, 374010, 417165, 516490, 556220, 619788, 723086, 748020, 774735, 834330, 1032980, 1084629, 1446172, 1549470, 1668660, 1807715, 2169258, 3098940, 3615430, 4338516, 5423145, 7230860, 10846290, 21692580]

約数ペア:

[(1, 21692580), (2, 10846290), (3, 7230860), (4, 5423145), (5, 4338516), (6, 3615430), (7, 3098940), (10, 2169258), (12, 1807715), (13, 1668660), (14, 1549470), (15, 1446172), (20, 1084629), (21, 1032980), (26, 834330), (28, 774735), (29, 748020), (30, 723086), (35, 619788), (39, 556220), (42, 516490), (52, 417165), (58, 374010), (60, 361543), (65, 333732), (70, 309894), (78, 278110), (84, 258245), (87, 249340), (91, 238380), (105, 206596), (116, 187005), (130, 166866), (137, 158340), (140, 154947), (145, 149604), (156, 139055), (174, 124670), (182, 119190), (195, 111244), (203, 106860), (210, 103298), (260, 83433), (273, 79460), (274, 79170), (290, 74802), (348, 62335), (364, 59595), (377, 57540), (390, 55622), (406, 53430), (411, 52780), (420, 51649), (435, 49868), (455, 47676), (546, 39730), (548, 39585), (580, 37401), (609, 35620), (685, 31668), (754, 28770), (780, 27811), (812, 26715), (822, 26390), (870, 24934), (910, 23838), (959, 22620), (1015, 21372), (1092, 19865), (1131, 19180), (1218, 17810), (1365, 15892), (1370, 15834), (1508, 14385), (1644, 13195), (1740, 12467), (1781, 12180), (1820, 11919), (1885, 11508), (1918, 11310), (2030, 10686), (2055, 10556), (2262, 9590), (2436, 8905), (2639, 8220), (2730, 7946), (2740, 7917), (2877, 7540), (3045, 7124), (3562, 6090), (3770, 5754), (3836, 5655), (3973, 5460), (4060, 5343), (4110, 5278), (4524, 4795)]