21000844480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{12721}}^1$

素因数の和:12823

約数の個数: 224

約数和(自身を含む): 63283502592

約数和(自身を除く): 42282658112

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 67, 70, 77, 80, 88, 110, 112, 134, 140, 154, 160, 176, 220, 224, 268, 280, 308, 320, 335, 352, 385, 440, 448, 469, 536, 560, 616, 670, 704, 737, 770, 880, 938, 1072, 1120, 1232, 1340, 1474, 1540, 1760, 1876, 2144, 2240, 2345, 2464, 2680, 2948, 3080, 3520, 3685, 3752, 4288, 4690, 4928, 5159, 5360, 5896, 6160, 7370, 7504, 9380, 10318, 10720, 11792, 12320, 12721, 14740, 15008, 18760, 20636, 21440, 23584, 24640, 25442, 25795, 29480, 30016, 37520, 41272, 47168, 50884, 51590, 58960, 63605, 75040, 82544, 89047, 101768, 103180, 117920, 127210, 139931, 150080, 165088, 178094, 203536, 206360, 235840, 254420, 279862, 330176, 356188, 407072, 412720, 445235, 508840, 559724, 699655, 712376, 814144, 825440, 852307, 890470, 979517, 1017680, 1119448, 1399310, 1424752, 1650880, 1704614, 1780940, 1959034, 2035360, 2238896, 2798620, 2849504, 3409228, 3561880, 3918068, 4070720, 4261535, 4477792, 4897585, 5597240, 5699008, 5966149, 6818456, 7123760, 7836136, 8523070, 8955584, 9375377, 9795170, 11194480, 11932298, 13636912, 14247520, 15672272, 17046140, 18750754, 19590340, 22388960, 23864596, 27273824, 28495040, 29830745, 31344544, 34092280, 37501508, 39180680, 44777920, 46876885, 47729192, 54547648, 59661490, 62689088, 65627639, 68184560, 75003016, 78361360, 93753770, 95458384, 119322980, 131255278, 136369120, 150006032, 156722720, 187507540, 190916768, 238645960, 262510556, 272738240, 300012064, 313445440, 328138195, 375015080, 381833536, 477291920, 525021112, 600024128, 656276390, 750030160, 954583840, 1050042224, 1312552780, 1500060320, 1909167680, 2100084448, 2625105560, 3000120640, 4200168896, 5250211120, 10500422240, 21000844480]

約数ペア:

[(1, 21000844480), (2, 10500422240), (4, 5250211120), (5, 4200168896), (7, 3000120640), (8, 2625105560), (10, 2100084448), (11, 1909167680), (14, 1500060320), (16, 1312552780), (20, 1050042224), (22, 954583840), (28, 750030160), (32, 656276390), (35, 600024128), (40, 525021112), (44, 477291920), (55, 381833536), (56, 375015080), (64, 328138195), (67, 313445440), (70, 300012064), (77, 272738240), (80, 262510556), (88, 238645960), (110, 190916768), (112, 187507540), (134, 156722720), (140, 150006032), (154, 136369120), (160, 131255278), (176, 119322980), (220, 95458384), (224, 93753770), (268, 78361360), (280, 75003016), (308, 68184560), (320, 65627639), (335, 62689088), (352, 59661490), (385, 54547648), (440, 47729192), (448, 46876885), (469, 44777920), (536, 39180680), (560, 37501508), (616, 34092280), (670, 31344544), (704, 29830745), (737, 28495040), (770, 27273824), (880, 23864596), (938, 22388960), (1072, 19590340), (1120, 18750754), (1232, 17046140), (1340, 15672272), (1474, 14247520), (1540, 13636912), (1760, 11932298), (1876, 11194480), (2144, 9795170), (2240, 9375377), (2345, 8955584), (2464, 8523070), (2680, 7836136), (2948, 7123760), (3080, 6818456), (3520, 5966149), (3685, 5699008), (3752, 5597240), (4288, 4897585), (4690, 4477792), (4928, 4261535), (5159, 4070720), (5360, 3918068), (5896, 3561880), (6160, 3409228), (7370, 2849504), (7504, 2798620), (9380, 2238896), (10318, 2035360), (10720, 1959034), (11792, 1780940), (12320, 1704614), (12721, 1650880), (14740, 1424752), (15008, 1399310), (18760, 1119448), (20636, 1017680), (21440, 979517), (23584, 890470), (24640, 852307), (25442, 825440), (25795, 814144), (29480, 712376), (30016, 699655), (37520, 559724), (41272, 508840), (47168, 445235), (50884, 412720), (51590, 407072), (58960, 356188), (63605, 330176), (75040, 279862), (82544, 254420), (89047, 235840), (101768, 206360), (103180, 203536), (117920, 178094), (127210, 165088), (139931, 150080)]