21016710400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:510

約数の個数: 432

約数和(自身を含む): 63181511680

約数和(自身を除く): 42164801280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 37, 40, 50, 56, 62, 64, 70, 74, 80, 100, 112, 124, 128, 140, 148, 155, 160, 175, 185, 200, 217, 224, 248, 256, 259, 280, 296, 310, 320, 350, 370, 400, 409, 434, 448, 496, 518, 560, 592, 620, 640, 700, 740, 775, 800, 818, 868, 896, 925, 992, 1036, 1085, 1120, 1147, 1184, 1240, 1280, 1295, 1400, 1480, 1550, 1600, 1636, 1736, 1792, 1850, 1984, 2045, 2072, 2170, 2240, 2294, 2368, 2480, 2590, 2800, 2863, 2960, 3100, 3200, 3272, 3472, 3700, 3968, 4090, 4144, 4340, 4480, 4588, 4736, 4960, 5180, 5425, 5600, 5726, 5735, 5920, 6200, 6400, 6475, 6544, 6944, 7400, 7936, 8029, 8180, 8288, 8680, 8960, 9176, 9472, 9920, 10225, 10360, 10850, 11200, 11452, 11470, 11840, 12400, 12679, 12950, 13088, 13888, 14315, 14800, 15133, 16058, 16360, 16576, 17360, 18352, 19840, 20450, 20720, 21700, 22400, 22904, 22940, 23680, 24800, 25358, 25900, 26176, 27776, 28630, 28675, 29600, 30266, 32116, 32720, 33152, 34720, 36704, 39680, 40145, 40900, 41440, 43400, 44800, 45808, 45880, 47360, 49600, 50716, 51800, 52352, 55552, 57260, 57350, 59200, 60532, 63395, 64232, 65440, 66304, 69440, 71575, 73408, 75665, 80290, 81800, 82880, 86800, 88753, 91616, 91760, 99200, 101432, 103600, 104704, 105931, 114520, 114700, 118400, 121064, 126790, 128464, 130880, 138880, 143150, 146816, 151330, 160580, 163600, 165760, 173600, 177506, 183232, 183520, 198400, 200725, 202864, 207200, 211862, 229040, 229400, 236800, 242128, 253580, 256928, 261760, 277760, 286300, 293632, 302660, 316975, 321160, 327200, 331520, 347200, 355012, 366464, 367040, 378325, 401450, 405728, 414400, 423724, 443765, 458080, 458800, 469123, 484256, 507160, 513856, 523520, 529655, 572600, 605320, 633950, 642320, 654400, 694400, 710024, 732928, 734080, 756650, 802900, 811456, 828800, 847448, 887530, 916160, 917600, 938246, 968512, 1014320, 1027712, 1059310, 1145200, 1210640, 1267900, 1284640, 1308800, 1388800, 1420048, 1468160, 1513300, 1605800, 1622912, 1657600, 1694896, 1775060, 1832320, 1835200, 1876492, 1937024, 2028640, 2055424, 2118620, 2218825, 2290400, 2345615, 2421280, 2535800, 2569280, 2617600, 2648275, 2840096, 3026600, 3211600, 3245824, 3283861, 3389792, 3550120, 3664640, 3670400, 3752984, 3874048, 4057280, 4237240, 4437650, 4580800, 4691230, 4842560, 5071600, 5138560, 5296550, 5680192, 6053200, 6423200, 6567722, 6779584, 7100240, 7340800, 7505968, 8114560, 8474480, 8875300, 9161600, 9382460, 9685120, 10143200, 10277120, 10593100, 11360384, 11728075, 12106400, 12846400, 13135444, 13559168, 14200480, 15011936, 16229120, 16419305, 16948960, 17750600, 18323200, 18764920, 19370240, 20286400, 21186200, 22720768, 23456150, 24212800, 25692800, 26270888, 27118336, 28400960, 30023872, 32838610, 33897920, 35501200, 37529840, 40572800, 42372400, 46912300, 48425600, 51385600, 52541776, 56801920, 60047744, 65677220, 67795840, 71002400, 75059680, 81145600, 82096525, 84744800, 93824600, 96851200, 105083552, 113603840, 120095488, 131354440, 135591680, 142004800, 150119360, 164193050, 169489600, 187649200, 210167104, 262708880, 284009600, 300238720, 328386100, 338979200, 375298400, 420334208, 525417760, 568019200, 600477440, 656772200, 677958400, 750596800, 840668416, 1050835520, 1313544400, 1501193600, 2101671040, 2627088800, 3002387200, 4203342080, 5254177600, 10508355200, 21016710400]

約数ペア:

[(1, 21016710400), (2, 10508355200), (4, 5254177600), (5, 4203342080), (7, 3002387200), (8, 2627088800), (10, 2101671040), (14, 1501193600), (16, 1313544400), (20, 1050835520), (25, 840668416), (28, 750596800), (31, 677958400), (32, 656772200), (35, 600477440), (37, 568019200), (40, 525417760), (50, 420334208), (56, 375298400), (62, 338979200), (64, 328386100), (70, 300238720), (74, 284009600), (80, 262708880), (100, 210167104), (112, 187649200), (124, 169489600), (128, 164193050), (140, 150119360), (148, 142004800), (155, 135591680), (160, 131354440), (175, 120095488), (185, 113603840), (200, 105083552), (217, 96851200), (224, 93824600), (248, 84744800), (256, 82096525), (259, 81145600), (280, 75059680), (296, 71002400), (310, 67795840), (320, 65677220), (350, 60047744), (370, 56801920), (400, 52541776), (409, 51385600), (434, 48425600), (448, 46912300), (496, 42372400), (518, 40572800), (560, 37529840), (592, 35501200), (620, 33897920), (640, 32838610), (700, 30023872), (740, 28400960), (775, 27118336), (800, 26270888), (818, 25692800), (868, 24212800), (896, 23456150), (925, 22720768), (992, 21186200), (1036, 20286400), (1085, 19370240), (1120, 18764920), (1147, 18323200), (1184, 17750600), (1240, 16948960), (1280, 16419305), (1295, 16229120), (1400, 15011936), (1480, 14200480), (1550, 13559168), (1600, 13135444), (1636, 12846400), (1736, 12106400), (1792, 11728075), (1850, 11360384), (1984, 10593100), (2045, 10277120), (2072, 10143200), (2170, 9685120), (2240, 9382460), (2294, 9161600), (2368, 8875300), (2480, 8474480), (2590, 8114560), (2800, 7505968), (2863, 7340800), (2960, 7100240), (3100, 6779584), (3200, 6567722), (3272, 6423200), (3472, 6053200), (3700, 5680192), (3968, 5296550), (4090, 5138560), (4144, 5071600), (4340, 4842560), (4480, 4691230), (4588, 4580800), (4736, 4437650), (4960, 4237240), (5180, 4057280), (5425, 3874048), (5600, 3752984), (5726, 3670400), (5735, 3664640), (5920, 3550120), (6200, 3389792), (6400, 3283861), (6475, 3245824), (6544, 3211600), (6944, 3026600), (7400, 2840096), (7936, 2648275), (8029, 2617600), (8180, 2569280), (8288, 2535800), (8680, 2421280), (8960, 2345615), (9176, 2290400), (9472, 2218825), (9920, 2118620), (10225, 2055424), (10360, 2028640), (10850, 1937024), (11200, 1876492), (11452, 1835200), (11470, 1832320), (11840, 1775060), (12400, 1694896), (12679, 1657600), (12950, 1622912), (13088, 1605800), (13888, 1513300), (14315, 1468160), (14800, 1420048), (15133, 1388800), (16058, 1308800), (16360, 1284640), (16576, 1267900), (17360, 1210640), (18352, 1145200), (19840, 1059310), (20450, 1027712), (20720, 1014320), (21700, 968512), (22400, 938246), (22904, 917600), (22940, 916160), (23680, 887530), (24800, 847448), (25358, 828800), (25900, 811456), (26176, 802900), (27776, 756650), (28630, 734080), (28675, 732928), (29600, 710024), (30266, 694400), (32116, 654400), (32720, 642320), (33152, 633950), (34720, 605320), (36704, 572600), (39680, 529655), (40145, 523520), (40900, 513856), (41440, 507160), (43400, 484256), (44800, 469123), (45808, 458800), (45880, 458080), (47360, 443765), (49600, 423724), (50716, 414400), (51800, 405728), (52352, 401450), (55552, 378325), (57260, 367040), (57350, 366464), (59200, 355012), (60532, 347200), (63395, 331520), (64232, 327200), (65440, 321160), (66304, 316975), (69440, 302660), (71575, 293632), (73408, 286300), (75665, 277760), (80290, 261760), (81800, 256928), (82880, 253580), (86800, 242128), (88753, 236800), (91616, 229400), (91760, 229040), (99200, 211862), (101432, 207200), (103600, 202864), (104704, 200725), (105931, 198400), (114520, 183520), (114700, 183232), (118400, 177506), (121064, 173600), (126790, 165760), (128464, 163600), (130880, 160580), (138880, 151330), (143150, 146816)]