21261240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:107

約数の個数: 384

約数和(自身を含む): 94348800

約数和(自身を除く): 73087560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 24, 26, 28, 30, 33, 35, 36, 39, 40, 42, 44, 45, 52, 55, 56, 59, 60, 63, 65, 66, 70, 72, 77, 78, 84, 88, 90, 91, 99, 104, 105, 110, 117, 118, 120, 126, 130, 132, 140, 143, 154, 156, 165, 168, 177, 180, 182, 195, 198, 210, 220, 231, 234, 236, 252, 260, 264, 273, 280, 286, 295, 308, 312, 315, 330, 354, 360, 364, 385, 390, 396, 413, 420, 429, 440, 455, 462, 468, 472, 495, 504, 520, 531, 546, 572, 585, 590, 616, 630, 649, 660, 693, 708, 715, 728, 767, 770, 780, 792, 819, 826, 840, 858, 885, 910, 924, 936, 990, 1001, 1062, 1092, 1144, 1155, 1170, 1180, 1239, 1260, 1287, 1298, 1320, 1365, 1386, 1416, 1430, 1534, 1540, 1560, 1638, 1652, 1716, 1770, 1820, 1848, 1947, 1980, 2002, 2065, 2124, 2145, 2184, 2301, 2310, 2340, 2360, 2478, 2520, 2574, 2596, 2655, 2730, 2772, 2860, 3003, 3068, 3080, 3245, 3276, 3304, 3432, 3465, 3540, 3640, 3717, 3835, 3894, 3960, 4004, 4095, 4130, 4248, 4290, 4543, 4602, 4620, 4680, 4956, 5005, 5148, 5192, 5310, 5369, 5460, 5544, 5720, 5841, 6006, 6136, 6195, 6435, 6490, 6552, 6903, 6930, 7080, 7434, 7670, 7788, 8008, 8190, 8260, 8437, 8580, 9009, 9086, 9204, 9240, 9735, 9912, 10010, 10296, 10620, 10738, 10920, 11505, 11682, 12012, 12390, 12870, 12980, 13629, 13806, 13860, 14868, 15015, 15340, 15576, 16107, 16380, 16520, 16874, 17160, 18018, 18172, 18408, 18585, 19470, 20020, 21240, 21476, 22715, 23010, 23364, 24024, 24780, 25311, 25740, 25960, 26845, 27258, 27612, 27720, 29205, 29736, 30030, 30680, 32214, 32760, 33748, 34515, 36036, 36344, 37170, 38940, 40040, 40887, 42185, 42952, 45045, 45430, 46020, 46728, 48321, 49560, 50622, 51480, 53690, 54516, 55224, 58410, 59059, 60060, 64428, 67496, 68145, 69030, 72072, 74340, 75933, 77880, 80535, 81774, 84370, 90090, 90860, 92040, 96642, 101244, 107380, 109032, 116820, 118118, 120120, 126555, 128856, 136290, 138060, 148680, 151866, 161070, 163548, 168740, 177177, 180180, 181720, 193284, 202488, 204435, 214760, 233640, 236236, 241605, 253110, 272580, 276120, 295295, 303732, 322140, 327096, 337480, 354354, 360360, 379665, 386568, 408870, 472472, 483210, 506220, 531531, 545160, 590590, 607464, 644280, 708708, 759330, 817740, 885885, 966420, 1012440, 1063062, 1181180, 1417416, 1518660, 1635480, 1771770, 1932840, 2126124, 2362360, 2657655, 3037320, 3543540, 4252248, 5315310, 7087080, 10630620, 21261240]

約数ペア:

[(1, 21261240), (2, 10630620), (3, 7087080), (4, 5315310), (5, 4252248), (6, 3543540), (7, 3037320), (8, 2657655), (9, 2362360), (10, 2126124), (11, 1932840), (12, 1771770), (13, 1635480), (14, 1518660), (15, 1417416), (18, 1181180), (20, 1063062), (21, 1012440), (22, 966420), (24, 885885), (26, 817740), (28, 759330), (30, 708708), (33, 644280), (35, 607464), (36, 590590), (39, 545160), (40, 531531), (42, 506220), (44, 483210), (45, 472472), (52, 408870), (55, 386568), (56, 379665), (59, 360360), (60, 354354), (63, 337480), (65, 327096), (66, 322140), (70, 303732), (72, 295295), (77, 276120), (78, 272580), (84, 253110), (88, 241605), (90, 236236), (91, 233640), (99, 214760), (104, 204435), (105, 202488), (110, 193284), (117, 181720), (118, 180180), (120, 177177), (126, 168740), (130, 163548), (132, 161070), (140, 151866), (143, 148680), (154, 138060), (156, 136290), (165, 128856), (168, 126555), (177, 120120), (180, 118118), (182, 116820), (195, 109032), (198, 107380), (210, 101244), (220, 96642), (231, 92040), (234, 90860), (236, 90090), (252, 84370), (260, 81774), (264, 80535), (273, 77880), (280, 75933), (286, 74340), (295, 72072), (308, 69030), (312, 68145), (315, 67496), (330, 64428), (354, 60060), (360, 59059), (364, 58410), (385, 55224), (390, 54516), (396, 53690), (413, 51480), (420, 50622), (429, 49560), (440, 48321), (455, 46728), (462, 46020), (468, 45430), (472, 45045), (495, 42952), (504, 42185), (520, 40887), (531, 40040), (546, 38940), (572, 37170), (585, 36344), (590, 36036), (616, 34515), (630, 33748), (649, 32760), (660, 32214), (693, 30680), (708, 30030), (715, 29736), (728, 29205), (767, 27720), (770, 27612), (780, 27258), (792, 26845), (819, 25960), (826, 25740), (840, 25311), (858, 24780), (885, 24024), (910, 23364), (924, 23010), (936, 22715), (990, 21476), (1001, 21240), (1062, 20020), (1092, 19470), (1144, 18585), (1155, 18408), (1170, 18172), (1180, 18018), (1239, 17160), (1260, 16874), (1287, 16520), (1298, 16380), (1320, 16107), (1365, 15576), (1386, 15340), (1416, 15015), (1430, 14868), (1534, 13860), (1540, 13806), (1560, 13629), (1638, 12980), (1652, 12870), (1716, 12390), (1770, 12012), (1820, 11682), (1848, 11505), (1947, 10920), (1980, 10738), (2002, 10620), (2065, 10296), (2124, 10010), (2145, 9912), (2184, 9735), (2301, 9240), (2310, 9204), (2340, 9086), (2360, 9009), (2478, 8580), (2520, 8437), (2574, 8260), (2596, 8190), (2655, 8008), (2730, 7788), (2772, 7670), (2860, 7434), (3003, 7080), (3068, 6930), (3080, 6903), (3245, 6552), (3276, 6490), (3304, 6435), (3432, 6195), (3465, 6136), (3540, 6006), (3640, 5841), (3717, 5720), (3835, 5544), (3894, 5460), (3960, 5369), (4004, 5310), (4095, 5192), (4130, 5148), (4248, 5005), (4290, 4956), (4543, 4680), (4602, 4620)]