21013338240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4049}}^1$

素因数の和:4144

約数の個数: 384

約数和(自身を含む): 78298974000

約数和(自身を除く): 57285635760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 53, 60, 64, 68, 72, 80, 85, 90, 96, 102, 106, 120, 128, 136, 144, 153, 159, 160, 170, 180, 192, 204, 212, 240, 255, 265, 272, 288, 306, 318, 320, 340, 360, 384, 408, 424, 477, 480, 510, 530, 544, 576, 612, 636, 640, 680, 720, 765, 795, 816, 848, 901, 954, 960, 1020, 1060, 1088, 1152, 1224, 1272, 1360, 1440, 1530, 1590, 1632, 1696, 1802, 1908, 1920, 2040, 2120, 2176, 2385, 2448, 2544, 2703, 2720, 2880, 3060, 3180, 3264, 3392, 3604, 3816, 4049, 4080, 4240, 4505, 4770, 4896, 5088, 5406, 5440, 5760, 6120, 6360, 6528, 6784, 7208, 7632, 8098, 8109, 8160, 8480, 9010, 9540, 9792, 10176, 10812, 10880, 12147, 12240, 12720, 13515, 14416, 15264, 16196, 16218, 16320, 16960, 18020, 19080, 19584, 20245, 20352, 21624, 24294, 24480, 25440, 27030, 28832, 30528, 32392, 32436, 32640, 33920, 36040, 36441, 38160, 40490, 40545, 43248, 48588, 48960, 50880, 54060, 57664, 60735, 61056, 64784, 64872, 68833, 72080, 72882, 76320, 80980, 81090, 86496, 97176, 97920, 101760, 108120, 115328, 121470, 129568, 129744, 137666, 144160, 145764, 152640, 161960, 162180, 172992, 182205, 194352, 206499, 214597, 216240, 242940, 259136, 259488, 275332, 288320, 291528, 305280, 323920, 324360, 344165, 345984, 364410, 388704, 412998, 429194, 432480, 485880, 518272, 518976, 550664, 576640, 583056, 619497, 643791, 647840, 648720, 688330, 728820, 777408, 825996, 858388, 864960, 971760, 1032495, 1037952, 1072985, 1101328, 1166112, 1238994, 1287582, 1295680, 1297440, 1376660, 1457640, 1554816, 1651992, 1716776, 1729920, 1931373, 1943520, 2064990, 2145970, 2202656, 2332224, 2477988, 2575164, 2591360, 2594880, 2753320, 2915280, 3097485, 3218955, 3303984, 3433552, 3648149, 3862746, 3887040, 4129980, 4291940, 4405312, 4664448, 4955976, 5150328, 5189760, 5506640, 5830560, 6194970, 6437910, 6607968, 6867104, 7296298, 7725492, 7774080, 8259960, 8583880, 8810624, 9656865, 9911952, 10300656, 10944447, 11013280, 11661120, 12389940, 12875820, 13215936, 13734208, 14592596, 15450984, 16519920, 17167760, 18240745, 19313730, 19823904, 20601312, 21888894, 22026560, 23322240, 24779880, 25751640, 26431872, 27468416, 29185192, 30901968, 32833341, 33039840, 34335520, 36481490, 38627460, 39647808, 41202624, 43777788, 44053120, 49559760, 51503280, 54722235, 58370384, 61803936, 65666682, 66079680, 68671040, 72962980, 77254920, 79295616, 82405248, 87555576, 99119520, 103006560, 109444470, 116740768, 123607872, 131333364, 132159360, 137342080, 145925960, 154509840, 164166705, 175111152, 198239040, 206013120, 218888940, 233481536, 247215744, 262666728, 291851920, 309019680, 328333410, 350222304, 396478080, 412026240, 437777880, 466963072, 525333456, 583703840, 618039360, 656666820, 700444608, 875555760, 1050666912, 1167407680, 1236078720, 1313333640, 1400889216, 1751111520, 2101333824, 2334815360, 2626667280, 3502223040, 4202667648, 5253334560, 7004446080, 10506669120, 21013338240]

約数ペア:

[(1, 21013338240), (2, 10506669120), (3, 7004446080), (4, 5253334560), (5, 4202667648), (6, 3502223040), (8, 2626667280), (9, 2334815360), (10, 2101333824), (12, 1751111520), (15, 1400889216), (16, 1313333640), (17, 1236078720), (18, 1167407680), (20, 1050666912), (24, 875555760), (30, 700444608), (32, 656666820), (34, 618039360), (36, 583703840), (40, 525333456), (45, 466963072), (48, 437777880), (51, 412026240), (53, 396478080), (60, 350222304), (64, 328333410), (68, 309019680), (72, 291851920), (80, 262666728), (85, 247215744), (90, 233481536), (96, 218888940), (102, 206013120), (106, 198239040), (120, 175111152), (128, 164166705), (136, 154509840), (144, 145925960), (153, 137342080), (159, 132159360), (160, 131333364), (170, 123607872), (180, 116740768), (192, 109444470), (204, 103006560), (212, 99119520), (240, 87555576), (255, 82405248), (265, 79295616), (272, 77254920), (288, 72962980), (306, 68671040), (318, 66079680), (320, 65666682), (340, 61803936), (360, 58370384), (384, 54722235), (408, 51503280), (424, 49559760), (477, 44053120), (480, 43777788), (510, 41202624), (530, 39647808), (544, 38627460), (576, 36481490), (612, 34335520), (636, 33039840), (640, 32833341), (680, 30901968), (720, 29185192), (765, 27468416), (795, 26431872), (816, 25751640), (848, 24779880), (901, 23322240), (954, 22026560), (960, 21888894), (1020, 20601312), (1060, 19823904), (1088, 19313730), (1152, 18240745), (1224, 17167760), (1272, 16519920), (1360, 15450984), (1440, 14592596), (1530, 13734208), (1590, 13215936), (1632, 12875820), (1696, 12389940), (1802, 11661120), (1908, 11013280), (1920, 10944447), (2040, 10300656), (2120, 9911952), (2176, 9656865), (2385, 8810624), (2448, 8583880), (2544, 8259960), (2703, 7774080), (2720, 7725492), (2880, 7296298), (3060, 6867104), (3180, 6607968), (3264, 6437910), (3392, 6194970), (3604, 5830560), (3816, 5506640), (4049, 5189760), (4080, 5150328), (4240, 4955976), (4505, 4664448), (4770, 4405312), (4896, 4291940), (5088, 4129980), (5406, 3887040), (5440, 3862746), (5760, 3648149), (6120, 3433552), (6360, 3303984), (6528, 3218955), (6784, 3097485), (7208, 2915280), (7632, 2753320), (8098, 2594880), (8109, 2591360), (8160, 2575164), (8480, 2477988), (9010, 2332224), (9540, 2202656), (9792, 2145970), (10176, 2064990), (10812, 1943520), (10880, 1931373), (12147, 1729920), (12240, 1716776), (12720, 1651992), (13515, 1554816), (14416, 1457640), (15264, 1376660), (16196, 1297440), (16218, 1295680), (16320, 1287582), (16960, 1238994), (18020, 1166112), (19080, 1101328), (19584, 1072985), (20245, 1037952), (20352, 1032495), (21624, 971760), (24294, 864960), (24480, 858388), (25440, 825996), (27030, 777408), (28832, 728820), (30528, 688330), (32392, 648720), (32436, 647840), (32640, 643791), (33920, 619497), (36040, 583056), (36441, 576640), (38160, 550664), (40490, 518976), (40545, 518272), (43248, 485880), (48588, 432480), (48960, 429194), (50880, 412998), (54060, 388704), (57664, 364410), (60735, 345984), (61056, 344165), (64784, 324360), (64872, 323920), (68833, 305280), (72080, 291528), (72882, 288320), (76320, 275332), (80980, 259488), (81090, 259136), (86496, 242940), (97176, 216240), (97920, 214597), (101760, 206499), (108120, 194352), (115328, 182205), (121470, 172992), (129568, 162180), (129744, 161960), (137666, 152640), (144160, 145764)]