21000884800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:670

約数の個数: 336

約数和(自身を含む): 61160192640

約数和(自身を除く): 40159307840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 59, 61, 64, 70, 80, 100, 112, 118, 122, 140, 160, 175, 200, 224, 236, 244, 280, 295, 305, 320, 350, 400, 413, 427, 448, 472, 488, 521, 560, 590, 610, 700, 800, 826, 854, 944, 976, 1042, 1120, 1180, 1220, 1400, 1475, 1525, 1600, 1652, 1708, 1888, 1952, 2065, 2084, 2135, 2240, 2360, 2440, 2605, 2800, 2950, 3050, 3304, 3416, 3599, 3647, 3776, 3904, 4130, 4168, 4270, 4720, 4880, 5210, 5600, 5900, 6100, 6608, 6832, 7198, 7294, 8260, 8336, 8540, 9440, 9760, 10325, 10420, 10675, 11200, 11800, 12200, 13025, 13216, 13664, 14396, 14588, 16520, 16672, 17080, 17995, 18235, 18880, 19520, 20650, 20840, 21350, 23600, 24400, 25193, 26050, 26432, 27328, 28792, 29176, 30739, 31781, 33040, 33344, 34160, 35990, 36470, 41300, 41680, 42700, 47200, 48800, 50386, 52100, 57584, 58352, 61478, 63562, 66080, 68320, 71980, 72940, 82600, 83360, 85400, 89975, 91175, 94400, 97600, 100772, 104200, 115168, 116704, 122956, 125965, 127124, 132160, 136640, 143960, 145880, 153695, 158905, 165200, 166720, 170800, 179950, 182350, 201544, 208400, 215173, 222467, 230336, 233408, 245912, 251930, 254248, 287920, 291760, 307390, 317810, 330400, 341600, 359900, 364700, 403088, 416800, 430346, 444934, 491824, 503860, 508496, 575840, 583520, 614780, 629825, 635620, 660800, 683200, 719800, 729400, 768475, 794525, 806176, 833600, 860692, 889868, 983648, 1007720, 1016992, 1075865, 1112335, 1151680, 1167040, 1229560, 1259650, 1271240, 1439600, 1458800, 1536950, 1589050, 1612352, 1721384, 1779736, 1875079, 1967296, 2015440, 2033984, 2151730, 2224670, 2459120, 2519300, 2542480, 2879200, 2917600, 3073900, 3178100, 3442768, 3559472, 3750158, 4030880, 4303460, 4449340, 4918240, 5038600, 5084960, 5379325, 5561675, 5758400, 5835200, 6147800, 6356200, 6885536, 7118944, 7500316, 8061760, 8606920, 8898680, 9375395, 9836480, 10077200, 10169920, 10758650, 11123350, 12295600, 12712400, 13125553, 13771072, 14237888, 15000632, 17213840, 17797360, 18750790, 20154400, 21517300, 22246700, 24591200, 25424800, 26251106, 30001264, 34427680, 35594720, 37501580, 40308800, 43034600, 44493400, 46876975, 49182400, 50849600, 52502212, 60002528, 65627765, 68855360, 71189440, 75003160, 86069200, 88986800, 93753950, 105004424, 120005056, 131255530, 150006320, 172138400, 177973600, 187507900, 210008848, 262511060, 300012640, 328138825, 344276800, 355947200, 375015800, 420017696, 525022120, 600025280, 656277650, 750031600, 840035392, 1050044240, 1312555300, 1500063200, 2100088480, 2625110600, 3000126400, 4200176960, 5250221200, 10500442400, 21000884800]

約数ペア:

[(1, 21000884800), (2, 10500442400), (4, 5250221200), (5, 4200176960), (7, 3000126400), (8, 2625110600), (10, 2100088480), (14, 1500063200), (16, 1312555300), (20, 1050044240), (25, 840035392), (28, 750031600), (32, 656277650), (35, 600025280), (40, 525022120), (50, 420017696), (56, 375015800), (59, 355947200), (61, 344276800), (64, 328138825), (70, 300012640), (80, 262511060), (100, 210008848), (112, 187507900), (118, 177973600), (122, 172138400), (140, 150006320), (160, 131255530), (175, 120005056), (200, 105004424), (224, 93753950), (236, 88986800), (244, 86069200), (280, 75003160), (295, 71189440), (305, 68855360), (320, 65627765), (350, 60002528), (400, 52502212), (413, 50849600), (427, 49182400), (448, 46876975), (472, 44493400), (488, 43034600), (521, 40308800), (560, 37501580), (590, 35594720), (610, 34427680), (700, 30001264), (800, 26251106), (826, 25424800), (854, 24591200), (944, 22246700), (976, 21517300), (1042, 20154400), (1120, 18750790), (1180, 17797360), (1220, 17213840), (1400, 15000632), (1475, 14237888), (1525, 13771072), (1600, 13125553), (1652, 12712400), (1708, 12295600), (1888, 11123350), (1952, 10758650), (2065, 10169920), (2084, 10077200), (2135, 9836480), (2240, 9375395), (2360, 8898680), (2440, 8606920), (2605, 8061760), (2800, 7500316), (2950, 7118944), (3050, 6885536), (3304, 6356200), (3416, 6147800), (3599, 5835200), (3647, 5758400), (3776, 5561675), (3904, 5379325), (4130, 5084960), (4168, 5038600), (4270, 4918240), (4720, 4449340), (4880, 4303460), (5210, 4030880), (5600, 3750158), (5900, 3559472), (6100, 3442768), (6608, 3178100), (6832, 3073900), (7198, 2917600), (7294, 2879200), (8260, 2542480), (8336, 2519300), (8540, 2459120), (9440, 2224670), (9760, 2151730), (10325, 2033984), (10420, 2015440), (10675, 1967296), (11200, 1875079), (11800, 1779736), (12200, 1721384), (13025, 1612352), (13216, 1589050), (13664, 1536950), (14396, 1458800), (14588, 1439600), (16520, 1271240), (16672, 1259650), (17080, 1229560), (17995, 1167040), (18235, 1151680), (18880, 1112335), (19520, 1075865), (20650, 1016992), (20840, 1007720), (21350, 983648), (23600, 889868), (24400, 860692), (25193, 833600), (26050, 806176), (26432, 794525), (27328, 768475), (28792, 729400), (29176, 719800), (30739, 683200), (31781, 660800), (33040, 635620), (33344, 629825), (34160, 614780), (35990, 583520), (36470, 575840), (41300, 508496), (41680, 503860), (42700, 491824), (47200, 444934), (48800, 430346), (50386, 416800), (52100, 403088), (57584, 364700), (58352, 359900), (61478, 341600), (63562, 330400), (66080, 317810), (68320, 307390), (71980, 291760), (72940, 287920), (82600, 254248), (83360, 251930), (85400, 245912), (89975, 233408), (91175, 230336), (94400, 222467), (97600, 215173), (100772, 208400), (104200, 201544), (115168, 182350), (116704, 179950), (122956, 170800), (125965, 166720), (127124, 165200), (132160, 158905), (136640, 153695), (143960, 145880)]