21803040

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{103}}^1$

素因数の和:141

約数の個数: 288

約数和(自身を含む): 89631360

約数和(自身を除く): 67828320

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, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 103, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 206, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 309, 315, 336, 360, 378, 392, 412, 420, 432, 441, 480, 490, 504, 515, 540, 560, 588, 618, 630, 672, 720, 721, 735, 756, 784, 824, 840, 864, 882, 927, 945, 980, 1008, 1030, 1080, 1120, 1176, 1236, 1260, 1323, 1440, 1442, 1470, 1512, 1545, 1568, 1648, 1680, 1764, 1854, 1890, 1960, 2016, 2060, 2160, 2163, 2205, 2352, 2472, 2520, 2646, 2781, 2884, 2940, 3024, 3090, 3296, 3360, 3528, 3605, 3708, 3780, 3920, 4120, 4320, 4326, 4410, 4635, 4704, 4944, 5040, 5047, 5292, 5562, 5768, 5880, 6048, 6180, 6489, 6615, 7056, 7210, 7416, 7560, 7840, 8240, 8652, 8820, 9270, 9888, 10080, 10094, 10584, 10815, 11124, 11536, 11760, 12360, 12978, 13230, 13905, 14112, 14420, 14832, 15120, 15141, 16480, 17304, 17640, 18540, 19467, 20188, 21168, 21630, 22248, 23072, 23520, 24720, 25235, 25956, 26460, 27810, 28840, 29664, 30240, 30282, 32445, 34608, 35280, 37080, 38934, 40376, 42336, 43260, 44496, 45423, 49440, 50470, 51912, 52920, 55620, 57680, 60564, 64890, 69216, 70560, 74160, 75705, 77868, 80752, 86520, 88992, 90846, 97335, 100940, 103824, 105840, 111240, 115360, 121128, 129780, 136269, 148320, 151410, 155736, 161504, 173040, 181692, 194670, 201880, 207648, 211680, 222480, 227115, 242256, 259560, 272538, 302820, 311472, 346080, 363384, 389340, 403760, 444960, 454230, 484512, 519120, 545076, 605640, 622944, 681345, 726768, 778680, 807520, 908460, 1038240, 1090152, 1211280, 1362690, 1453536, 1557360, 1816920, 2180304, 2422560, 2725380, 3114720, 3633840, 4360608, 5450760, 7267680, 10901520, 21803040]

約数ペア:

[(1, 21803040), (2, 10901520), (3, 7267680), (4, 5450760), (5, 4360608), (6, 3633840), (7, 3114720), (8, 2725380), (9, 2422560), (10, 2180304), (12, 1816920), (14, 1557360), (15, 1453536), (16, 1362690), (18, 1211280), (20, 1090152), (21, 1038240), (24, 908460), (27, 807520), (28, 778680), (30, 726768), (32, 681345), (35, 622944), (36, 605640), (40, 545076), (42, 519120), (45, 484512), (48, 454230), (49, 444960), (54, 403760), (56, 389340), (60, 363384), (63, 346080), (70, 311472), (72, 302820), (80, 272538), (84, 259560), (90, 242256), (96, 227115), (98, 222480), (103, 211680), (105, 207648), (108, 201880), (112, 194670), (120, 181692), (126, 173040), (135, 161504), (140, 155736), (144, 151410), (147, 148320), (160, 136269), (168, 129780), (180, 121128), (189, 115360), (196, 111240), (206, 105840), (210, 103824), (216, 100940), (224, 97335), (240, 90846), (245, 88992), (252, 86520), (270, 80752), (280, 77868), (288, 75705), (294, 74160), (309, 70560), (315, 69216), (336, 64890), (360, 60564), (378, 57680), (392, 55620), (412, 52920), (420, 51912), (432, 50470), (441, 49440), (480, 45423), (490, 44496), (504, 43260), (515, 42336), (540, 40376), (560, 38934), (588, 37080), (618, 35280), (630, 34608), (672, 32445), (720, 30282), (721, 30240), (735, 29664), (756, 28840), (784, 27810), (824, 26460), (840, 25956), (864, 25235), (882, 24720), (927, 23520), (945, 23072), (980, 22248), (1008, 21630), (1030, 21168), (1080, 20188), (1120, 19467), (1176, 18540), (1236, 17640), (1260, 17304), (1323, 16480), (1440, 15141), (1442, 15120), (1470, 14832), (1512, 14420), (1545, 14112), (1568, 13905), (1648, 13230), (1680, 12978), (1764, 12360), (1854, 11760), (1890, 11536), (1960, 11124), (2016, 10815), (2060, 10584), (2160, 10094), (2163, 10080), (2205, 9888), (2352, 9270), (2472, 8820), (2520, 8652), (2646, 8240), (2781, 7840), (2884, 7560), (2940, 7416), (3024, 7210), (3090, 7056), (3296, 6615), (3360, 6489), (3528, 6180), (3605, 6048), (3708, 5880), (3780, 5768), (3920, 5562), (4120, 5292), (4320, 5047), (4326, 5040), (4410, 4944), (4635, 4704)]