21090222720

素因数分解:

$2^7\times 3^5\times 5^1\times 7^1\times {\mathrm{19373}}^1$

素因数の和:19414

約数の個数: 384

約数和(自身を含む): 86318144640

約数和(自身を除く): 65227921920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 243, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 486, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 810, 840, 864, 896, 945, 960, 972, 1008, 1080, 1120, 1134, 1152, 1215, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1701, 1728, 1890, 1920, 1944, 2016, 2160, 2240, 2268, 2430, 2520, 2592, 2688, 2835, 2880, 3024, 3240, 3360, 3402, 3456, 3780, 3888, 4032, 4320, 4480, 4536, 4860, 5040, 5184, 5670, 5760, 6048, 6480, 6720, 6804, 7560, 7776, 8064, 8505, 8640, 9072, 9720, 10080, 10368, 11340, 12096, 12960, 13440, 13608, 15120, 15552, 17010, 17280, 18144, 19373, 19440, 20160, 22680, 24192, 25920, 27216, 30240, 31104, 34020, 36288, 38746, 38880, 40320, 45360, 51840, 54432, 58119, 60480, 68040, 72576, 77492, 77760, 90720, 96865, 108864, 116238, 120960, 135611, 136080, 154984, 155520, 174357, 181440, 193730, 217728, 232476, 271222, 272160, 290595, 309968, 348714, 362880, 387460, 406833, 464952, 523071, 542444, 544320, 581190, 619936, 678055, 697428, 774920, 813666, 871785, 929904, 1046142, 1084888, 1088640, 1162380, 1220499, 1239872, 1356110, 1394856, 1549840, 1569213, 1627332, 1743570, 1859808, 2034165, 2092284, 2169776, 2324760, 2440998, 2479744, 2615355, 2712220, 2789712, 3099680, 3138426, 3254664, 3487140, 3661497, 3719616, 4068330, 4184568, 4339552, 4649520, 4707639, 4881996, 5230710, 5424440, 5579424, 6102495, 6199360, 6276852, 6509328, 6974280, 7322994, 7439232, 7846065, 8136660, 8369136, 8679104, 9299040, 9415278, 9763992, 10461420, 10848880, 10984491, 11158848, 12204990, 12398720, 12553704, 13018656, 13948560, 14645988, 15692130, 16273320, 16738272, 17358208, 18307485, 18598080, 18830556, 19527984, 20922840, 21697760, 21968982, 22317696, 23538195, 24409980, 25107408, 26037312, 27897120, 29291976, 31384260, 32546640, 32953473, 33476544, 36614970, 37196160, 37661112, 39055968, 41845680, 43395520, 43937964, 47076390, 48819960, 50214816, 52074624, 54922455, 55794240, 58583952, 62768520, 65093280, 65906946, 66953088, 73229940, 75322224, 78111936, 83691360, 86791040, 87875928, 94152780, 97639920, 100429632, 109844910, 111588480, 117167904, 125537040, 130186560, 131813892, 146459880, 150644448, 156223872, 164767365, 167382720, 175751856, 188305560, 195279840, 200859264, 219689820, 234335808, 251074080, 260373120, 263627784, 292919760, 301288896, 329534730, 334765440, 351503712, 376611120, 390559680, 439379640, 468671616, 502148160, 527255568, 585839520, 602577792, 659069460, 703007424, 753222240, 781119360, 878759280, 1004296320, 1054511136, 1171679040, 1318138920, 1406014848, 1506444480, 1757518560, 2109022272, 2343358080, 2636277840, 3012888960, 3515037120, 4218044544, 5272555680, 7030074240, 10545111360, 21090222720]

約数ペア:

[(1, 21090222720), (2, 10545111360), (3, 7030074240), (4, 5272555680), (5, 4218044544), (6, 3515037120), (7, 3012888960), (8, 2636277840), (9, 2343358080), (10, 2109022272), (12, 1757518560), (14, 1506444480), (15, 1406014848), (16, 1318138920), (18, 1171679040), (20, 1054511136), (21, 1004296320), (24, 878759280), (27, 781119360), (28, 753222240), (30, 703007424), (32, 659069460), (35, 602577792), (36, 585839520), (40, 527255568), (42, 502148160), (45, 468671616), (48, 439379640), (54, 390559680), (56, 376611120), (60, 351503712), (63, 334765440), (64, 329534730), (70, 301288896), (72, 292919760), (80, 263627784), (81, 260373120), (84, 251074080), (90, 234335808), (96, 219689820), (105, 200859264), (108, 195279840), (112, 188305560), (120, 175751856), (126, 167382720), (128, 164767365), (135, 156223872), (140, 150644448), (144, 146459880), (160, 131813892), (162, 130186560), (168, 125537040), (180, 117167904), (189, 111588480), (192, 109844910), (210, 100429632), (216, 97639920), (224, 94152780), (240, 87875928), (243, 86791040), (252, 83691360), (270, 78111936), (280, 75322224), (288, 73229940), (315, 66953088), (320, 65906946), (324, 65093280), (336, 62768520), (360, 58583952), (378, 55794240), (384, 54922455), (405, 52074624), (420, 50214816), (432, 48819960), (448, 47076390), (480, 43937964), (486, 43395520), (504, 41845680), (540, 39055968), (560, 37661112), (567, 37196160), (576, 36614970), (630, 33476544), (640, 32953473), (648, 32546640), (672, 31384260), (720, 29291976), (756, 27897120), (810, 26037312), (840, 25107408), (864, 24409980), (896, 23538195), (945, 22317696), (960, 21968982), (972, 21697760), (1008, 20922840), (1080, 19527984), (1120, 18830556), (1134, 18598080), (1152, 18307485), (1215, 17358208), (1260, 16738272), (1296, 16273320), (1344, 15692130), (1440, 14645988), (1512, 13948560), (1620, 13018656), (1680, 12553704), (1701, 12398720), (1728, 12204990), (1890, 11158848), (1920, 10984491), (1944, 10848880), (2016, 10461420), (2160, 9763992), (2240, 9415278), (2268, 9299040), (2430, 8679104), (2520, 8369136), (2592, 8136660), (2688, 7846065), (2835, 7439232), (2880, 7322994), (3024, 6974280), (3240, 6509328), (3360, 6276852), (3402, 6199360), (3456, 6102495), (3780, 5579424), (3888, 5424440), (4032, 5230710), (4320, 4881996), (4480, 4707639), (4536, 4649520), (4860, 4339552), (5040, 4184568), (5184, 4068330), (5670, 3719616), (5760, 3661497), (6048, 3487140), (6480, 3254664), (6720, 3138426), (6804, 3099680), (7560, 2789712), (7776, 2712220), (8064, 2615355), (8505, 2479744), (8640, 2440998), (9072, 2324760), (9720, 2169776), (10080, 2092284), (10368, 2034165), (11340, 1859808), (12096, 1743570), (12960, 1627332), (13440, 1569213), (13608, 1549840), (15120, 1394856), (15552, 1356110), (17010, 1239872), (17280, 1220499), (18144, 1162380), (19373, 1088640), (19440, 1084888), (20160, 1046142), (22680, 929904), (24192, 871785), (25920, 813666), (27216, 774920), (30240, 697428), (31104, 678055), (34020, 619936), (36288, 581190), (38746, 544320), (38880, 542444), (40320, 523071), (45360, 464952), (51840, 406833), (54432, 387460), (58119, 362880), (60480, 348714), (68040, 309968), (72576, 290595), (77492, 272160), (77760, 271222), (90720, 232476), (96865, 217728), (108864, 193730), (116238, 181440), (120960, 174357), (135611, 155520), (136080, 154984)]