21004958520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{991}}^1$

素因数の和:1675

約数の個数: 384

約数和(自身を含む): 84234608640

約数和(自身を除く): 63229650120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 647, 728, 780, 819, 840, 910, 936, 991, 1092, 1170, 1260, 1294, 1365, 1560, 1638, 1820, 1941, 1982, 2184, 2340, 2520, 2588, 2730, 2973, 3235, 3276, 3640, 3882, 3964, 4095, 4529, 4680, 4955, 5176, 5460, 5823, 5946, 6470, 6552, 6937, 7764, 7928, 8190, 8411, 8919, 9058, 9705, 9910, 10920, 11646, 11892, 12883, 12940, 13587, 13874, 14865, 15528, 16380, 16822, 17838, 18116, 19410, 19820, 20811, 22645, 23292, 23784, 25233, 25766, 25880, 27174, 27748, 29115, 29730, 32760, 33644, 34685, 35676, 36232, 38649, 38820, 39640, 40761, 41622, 42055, 44595, 45290, 46584, 50466, 51532, 54348, 55496, 58230, 58877, 59460, 62433, 64415, 67288, 67935, 69370, 71352, 75699, 77298, 77640, 81522, 83244, 84110, 89190, 90181, 90580, 100932, 103064, 104055, 108696, 115947, 116460, 117754, 118920, 124866, 126165, 128830, 135870, 138740, 151398, 154596, 163044, 166488, 168220, 176631, 178380, 180362, 181160, 193245, 201864, 203805, 208110, 231894, 232920, 235508, 249732, 252330, 257660, 270543, 271740, 277480, 294385, 302796, 309192, 312165, 326088, 336440, 353262, 356760, 360724, 378495, 386490, 407610, 416220, 450905, 463788, 471016, 499464, 504660, 515320, 529893, 541086, 543480, 579735, 588770, 605592, 624330, 641177, 706524, 721448, 756990, 772980, 811629, 815220, 832440, 883155, 901810, 927576, 1009320, 1059786, 1082172, 1159470, 1177540, 1248660, 1282354, 1352715, 1413048, 1513980, 1545960, 1623258, 1630440, 1766310, 1803620, 1923531, 2119572, 2164344, 2318940, 2355080, 2497320, 2564708, 2649465, 2705430, 3027960, 3205885, 3246516, 3532620, 3607240, 3847062, 4058145, 4239144, 4488239, 4637880, 5129416, 5298930, 5410860, 5770593, 6411770, 6493032, 7065240, 7694124, 8116290, 8335301, 8976478, 9617655, 10597860, 10821720, 11541186, 12823540, 13464717, 15388248, 16232580, 16670602, 17952956, 19235310, 21195720, 22441195, 23082372, 25005903, 25647080, 26929434, 28852965, 32465160, 33341204, 35905912, 38470620, 40394151, 41676505, 44882390, 46164744, 50011806, 53858868, 57705930, 58347107, 66682408, 67323585, 75017709, 76941240, 80788302, 83353010, 89764780, 100023612, 107717736, 115411860, 116694214, 125029515, 134647170, 150035418, 161576604, 166706020, 175041321, 179529560, 200047224, 201970755, 230823720, 233388428, 250059030, 269294340, 291735535, 300070836, 323153208, 333412040, 350082642, 375088545, 403941510, 466776856, 500118060, 525123963, 538588680, 583471070, 600141672, 700165284, 750177090, 807883020, 875206605, 1000236120, 1050247926, 1166942140, 1400330568, 1500354180, 1615766040, 1750413210, 2100495852, 2333884280, 2625619815, 3000708360, 3500826420, 4200991704, 5251239630, 7001652840, 10502479260, 21004958520]

約数ペア:

[(1, 21004958520), (2, 10502479260), (3, 7001652840), (4, 5251239630), (5, 4200991704), (6, 3500826420), (7, 3000708360), (8, 2625619815), (9, 2333884280), (10, 2100495852), (12, 1750413210), (13, 1615766040), (14, 1500354180), (15, 1400330568), (18, 1166942140), (20, 1050247926), (21, 1000236120), (24, 875206605), (26, 807883020), (28, 750177090), (30, 700165284), (35, 600141672), (36, 583471070), (39, 538588680), (40, 525123963), (42, 500118060), (45, 466776856), (52, 403941510), (56, 375088545), (60, 350082642), (63, 333412040), (65, 323153208), (70, 300070836), (72, 291735535), (78, 269294340), (84, 250059030), (90, 233388428), (91, 230823720), (104, 201970755), (105, 200047224), (117, 179529560), (120, 175041321), (126, 166706020), (130, 161576604), (140, 150035418), (156, 134647170), (168, 125029515), (180, 116694214), (182, 115411860), (195, 107717736), (210, 100023612), (234, 89764780), (252, 83353010), (260, 80788302), (273, 76941240), (280, 75017709), (312, 67323585), (315, 66682408), (360, 58347107), (364, 57705930), (390, 53858868), (420, 50011806), (455, 46164744), (468, 44882390), (504, 41676505), (520, 40394151), (546, 38470620), (585, 35905912), (630, 33341204), (647, 32465160), (728, 28852965), (780, 26929434), (819, 25647080), (840, 25005903), (910, 23082372), (936, 22441195), (991, 21195720), (1092, 19235310), (1170, 17952956), (1260, 16670602), (1294, 16232580), (1365, 15388248), (1560, 13464717), (1638, 12823540), (1820, 11541186), (1941, 10821720), (1982, 10597860), (2184, 9617655), (2340, 8976478), (2520, 8335301), (2588, 8116290), (2730, 7694124), (2973, 7065240), (3235, 6493032), (3276, 6411770), (3640, 5770593), (3882, 5410860), (3964, 5298930), (4095, 5129416), (4529, 4637880), (4680, 4488239), (4955, 4239144), (5176, 4058145), (5460, 3847062), (5823, 3607240), (5946, 3532620), (6470, 3246516), (6552, 3205885), (6937, 3027960), (7764, 2705430), (7928, 2649465), (8190, 2564708), (8411, 2497320), (8919, 2355080), (9058, 2318940), (9705, 2164344), (9910, 2119572), (10920, 1923531), (11646, 1803620), (11892, 1766310), (12883, 1630440), (12940, 1623258), (13587, 1545960), (13874, 1513980), (14865, 1413048), (15528, 1352715), (16380, 1282354), (16822, 1248660), (17838, 1177540), (18116, 1159470), (19410, 1082172), (19820, 1059786), (20811, 1009320), (22645, 927576), (23292, 901810), (23784, 883155), (25233, 832440), (25766, 815220), (25880, 811629), (27174, 772980), (27748, 756990), (29115, 721448), (29730, 706524), (32760, 641177), (33644, 624330), (34685, 605592), (35676, 588770), (36232, 579735), (38649, 543480), (38820, 541086), (39640, 529893), (40761, 515320), (41622, 504660), (42055, 499464), (44595, 471016), (45290, 463788), (46584, 450905), (50466, 416220), (51532, 407610), (54348, 386490), (55496, 378495), (58230, 360724), (58877, 356760), (59460, 353262), (62433, 336440), (64415, 326088), (67288, 312165), (67935, 309192), (69370, 302796), (71352, 294385), (75699, 277480), (77298, 271740), (77640, 270543), (81522, 257660), (83244, 252330), (84110, 249732), (89190, 235508), (90181, 232920), (90580, 231894), (100932, 208110), (103064, 203805), (104055, 201864), (108696, 193245), (115947, 181160), (116460, 180362), (117754, 178380), (118920, 176631), (124866, 168220), (126165, 166488), (128830, 163044), (135870, 154596), (138740, 151398)]