21000228200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:641

約数の個数: 384

約数和(自身を含む): 61753190400

約数和(自身を除く): 40752962200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 29, 35, 40, 43, 46, 50, 56, 58, 70, 86, 92, 100, 115, 116, 140, 145, 161, 172, 175, 184, 200, 203, 215, 230, 232, 280, 290, 301, 322, 344, 350, 406, 430, 460, 523, 575, 580, 602, 644, 667, 700, 725, 805, 812, 860, 920, 989, 1015, 1046, 1075, 1150, 1160, 1204, 1247, 1288, 1334, 1400, 1450, 1505, 1610, 1624, 1720, 1978, 2030, 2092, 2150, 2300, 2408, 2494, 2615, 2668, 2900, 3010, 3220, 3335, 3661, 3956, 4025, 4060, 4184, 4300, 4600, 4669, 4945, 4988, 5075, 5230, 5336, 5800, 6020, 6235, 6440, 6670, 6923, 7322, 7525, 7912, 8050, 8120, 8600, 8729, 9338, 9890, 9976, 10150, 10460, 12029, 12040, 12470, 13075, 13340, 13846, 14644, 15050, 15167, 16100, 16675, 17458, 18305, 18676, 19780, 20300, 20920, 22489, 23345, 24058, 24725, 24940, 26150, 26680, 27692, 28681, 29288, 30100, 30334, 31175, 32200, 33350, 34615, 34916, 36610, 37352, 39560, 40600, 43645, 44978, 46690, 48116, 49450, 49880, 52300, 55384, 57362, 60145, 60200, 60668, 62350, 66700, 69230, 69832, 73220, 75835, 84203, 87290, 89956, 91525, 93380, 96232, 98900, 104600, 106169, 112445, 114724, 116725, 120290, 121336, 124700, 133400, 138460, 143405, 146440, 151670, 157423, 168406, 173075, 174580, 179912, 183050, 186760, 197800, 200767, 212338, 218225, 224890, 229448, 233450, 240580, 249400, 276920, 286810, 300725, 303340, 314846, 336812, 346150, 348841, 349160, 366100, 379175, 401534, 421015, 424676, 436450, 449780, 466900, 481160, 517247, 530845, 562225, 573620, 601450, 606680, 629692, 652181, 673624, 692300, 697682, 717025, 732200, 758350, 787115, 803068, 842030, 849352, 872900, 899560, 933800, 1003835, 1034494, 1061690, 1124450, 1147240, 1202900, 1259384, 1304362, 1384600, 1395364, 1434050, 1516700, 1574230, 1606136, 1684060, 1744205, 1745800, 2007670, 2068988, 2105075, 2123380, 2248900, 2405800, 2441887, 2586235, 2608724, 2654225, 2790728, 2868100, 3033400, 3148460, 3260905, 3368120, 3488410, 3620729, 3935575, 4015340, 4137976, 4210150, 4246760, 4497800, 4565267, 4883774, 5019175, 5172470, 5217448, 5308450, 5736200, 6296920, 6521810, 6976820, 7241458, 7871150, 8030680, 8420300, 8721025, 9130534, 9767548, 10038350, 10344940, 10616900, 12209435, 12931175, 13043620, 13953640, 14482916, 15000163, 15742300, 16304525, 16840600, 17442050, 18103645, 18261068, 19535096, 20076700, 20689880, 21233800, 22826335, 24418870, 25862350, 26087240, 28965832, 30000326, 31484600, 32609050, 34884100, 36207290, 36522136, 40153400, 45652670, 48837740, 51724700, 60000652, 61047175, 65218100, 69768200, 72414580, 75000815, 90518225, 91305340, 97675480, 103449400, 105001141, 114131675, 120001304, 122094350, 130436200, 144829160, 150001630, 181036450, 182610680, 210002282, 228263350, 244188700, 300003260, 362072900, 375004075, 420004564, 456526700, 488377400, 525005705, 600006520, 724145800, 750008150, 840009128, 913053400, 1050011410, 1500016300, 2100022820, 2625028525, 3000032600, 4200045640, 5250057050, 10500114100, 21000228200]

約数ペア:

[(1, 21000228200), (2, 10500114100), (4, 5250057050), (5, 4200045640), (7, 3000032600), (8, 2625028525), (10, 2100022820), (14, 1500016300), (20, 1050011410), (23, 913053400), (25, 840009128), (28, 750008150), (29, 724145800), (35, 600006520), (40, 525005705), (43, 488377400), (46, 456526700), (50, 420004564), (56, 375004075), (58, 362072900), (70, 300003260), (86, 244188700), (92, 228263350), (100, 210002282), (115, 182610680), (116, 181036450), (140, 150001630), (145, 144829160), (161, 130436200), (172, 122094350), (175, 120001304), (184, 114131675), (200, 105001141), (203, 103449400), (215, 97675480), (230, 91305340), (232, 90518225), (280, 75000815), (290, 72414580), (301, 69768200), (322, 65218100), (344, 61047175), (350, 60000652), (406, 51724700), (430, 48837740), (460, 45652670), (523, 40153400), (575, 36522136), (580, 36207290), (602, 34884100), (644, 32609050), (667, 31484600), (700, 30000326), (725, 28965832), (805, 26087240), (812, 25862350), (860, 24418870), (920, 22826335), (989, 21233800), (1015, 20689880), (1046, 20076700), (1075, 19535096), (1150, 18261068), (1160, 18103645), (1204, 17442050), (1247, 16840600), (1288, 16304525), (1334, 15742300), (1400, 15000163), (1450, 14482916), (1505, 13953640), (1610, 13043620), (1624, 12931175), (1720, 12209435), (1978, 10616900), (2030, 10344940), (2092, 10038350), (2150, 9767548), (2300, 9130534), (2408, 8721025), (2494, 8420300), (2615, 8030680), (2668, 7871150), (2900, 7241458), (3010, 6976820), (3220, 6521810), (3335, 6296920), (3661, 5736200), (3956, 5308450), (4025, 5217448), (4060, 5172470), (4184, 5019175), (4300, 4883774), (4600, 4565267), (4669, 4497800), (4945, 4246760), (4988, 4210150), (5075, 4137976), (5230, 4015340), (5336, 3935575), (5800, 3620729), (6020, 3488410), (6235, 3368120), (6440, 3260905), (6670, 3148460), (6923, 3033400), (7322, 2868100), (7525, 2790728), (7912, 2654225), (8050, 2608724), (8120, 2586235), (8600, 2441887), (8729, 2405800), (9338, 2248900), (9890, 2123380), (9976, 2105075), (10150, 2068988), (10460, 2007670), (12029, 1745800), (12040, 1744205), (12470, 1684060), (13075, 1606136), (13340, 1574230), (13846, 1516700), (14644, 1434050), (15050, 1395364), (15167, 1384600), (16100, 1304362), (16675, 1259384), (17458, 1202900), (18305, 1147240), (18676, 1124450), (19780, 1061690), (20300, 1034494), (20920, 1003835), (22489, 933800), (23345, 899560), (24058, 872900), (24725, 849352), (24940, 842030), (26150, 803068), (26680, 787115), (27692, 758350), (28681, 732200), (29288, 717025), (30100, 697682), (30334, 692300), (31175, 673624), (32200, 652181), (33350, 629692), (34615, 606680), (34916, 601450), (36610, 573620), (37352, 562225), (39560, 530845), (40600, 517247), (43645, 481160), (44978, 466900), (46690, 449780), (48116, 436450), (49450, 424676), (49880, 421015), (52300, 401534), (55384, 379175), (57362, 366100), (60145, 349160), (60200, 348841), (60668, 346150), (62350, 336812), (66700, 314846), (69230, 303340), (69832, 300725), (73220, 286810), (75835, 276920), (84203, 249400), (87290, 240580), (89956, 233450), (91525, 229448), (93380, 224890), (96232, 218225), (98900, 212338), (104600, 200767), (106169, 197800), (112445, 186760), (114724, 183050), (116725, 179912), (120290, 174580), (121336, 173075), (124700, 168406), (133400, 157423), (138460, 151670), (143405, 146440)]