21215013120

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{263083}}^1$

素因数の和:263117

約数の個数: 216

約数和(自身を含む): 83888016576

約数和(自身を除く): 62673003456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 26880, 40320, 80640, 263083, 526166, 789249, 1052332, 1315415, 1578498, 1841581, 2104664, 2367747, 2630830, 3156996, 3683162, 3946245, 4209328, 4735494, 5261660, 5524743, 6313992, 7366324, 7892490, 8418656, 9207905, 9470988, 10523320, 11049486, 11838735, 12627984, 14732648, 15784980, 16574229, 16837312, 18415810, 18941976, 21046640, 22098972, 23677470, 25255968, 27623715, 29465296, 31569960, 33148458, 33674624, 36831620, 37883952, 42093280, 44197944, 47354940, 50511936, 55247430, 58930592, 63139920, 66296916, 67349248, 73663240, 75767904, 82871145, 84186560, 88395888, 94709880, 101023872, 110494860, 117861184, 126279840, 132593832, 147326480, 151535808, 165742290, 168373120, 176791776, 189419760, 202047744, 220989720, 235722368, 252559680, 265187664, 294652960, 303071616, 331484580, 336746240, 353583552, 378839520, 441979440, 471444736, 505119360, 530375328, 589305920, 606143232, 662969160, 707167104, 757679040, 883958880, 1010238720, 1060750656, 1178611840, 1325938320, 1414334208, 1515358080, 1767917760, 2121501312, 2357223680, 2651876640, 3030716160, 3535835520, 4243002624, 5303753280, 7071671040, 10607506560, 21215013120]

約数ペア:

[(1, 21215013120), (2, 10607506560), (3, 7071671040), (4, 5303753280), (5, 4243002624), (6, 3535835520), (7, 3030716160), (8, 2651876640), (9, 2357223680), (10, 2121501312), (12, 1767917760), (14, 1515358080), (15, 1414334208), (16, 1325938320), (18, 1178611840), (20, 1060750656), (21, 1010238720), (24, 883958880), (28, 757679040), (30, 707167104), (32, 662969160), (35, 606143232), (36, 589305920), (40, 530375328), (42, 505119360), (45, 471444736), (48, 441979440), (56, 378839520), (60, 353583552), (63, 336746240), (64, 331484580), (70, 303071616), (72, 294652960), (80, 265187664), (84, 252559680), (90, 235722368), (96, 220989720), (105, 202047744), (112, 189419760), (120, 176791776), (126, 168373120), (128, 165742290), (140, 151535808), (144, 147326480), (160, 132593832), (168, 126279840), (180, 117861184), (192, 110494860), (210, 101023872), (224, 94709880), (240, 88395888), (252, 84186560), (256, 82871145), (280, 75767904), (288, 73663240), (315, 67349248), (320, 66296916), (336, 63139920), (360, 58930592), (384, 55247430), (420, 50511936), (448, 47354940), (480, 44197944), (504, 42093280), (560, 37883952), (576, 36831620), (630, 33674624), (640, 33148458), (672, 31569960), (720, 29465296), (768, 27623715), (840, 25255968), (896, 23677470), (960, 22098972), (1008, 21046640), (1120, 18941976), (1152, 18415810), (1260, 16837312), (1280, 16574229), (1344, 15784980), (1440, 14732648), (1680, 12627984), (1792, 11838735), (1920, 11049486), (2016, 10523320), (2240, 9470988), (2304, 9207905), (2520, 8418656), (2688, 7892490), (2880, 7366324), (3360, 6313992), (3840, 5524743), (4032, 5261660), (4480, 4735494), (5040, 4209328), (5376, 3946245), (5760, 3683162), (6720, 3156996), (8064, 2630830), (8960, 2367747), (10080, 2104664), (11520, 1841581), (13440, 1578498), (16128, 1315415), (20160, 1052332), (26880, 789249), (40320, 526166), (80640, 263083)]