21811680

素因数分解:

$2^5\times 3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:61

約数の個数: 336

約数和(自身を含む): 89241264

約数和(自身を除く): 67429584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 27, 30, 32, 33, 34, 36, 40, 44, 45, 48, 51, 54, 55, 60, 66, 68, 72, 80, 81, 85, 88, 90, 96, 99, 102, 108, 110, 120, 132, 135, 136, 144, 153, 160, 162, 165, 170, 176, 180, 187, 198, 204, 216, 220, 240, 243, 255, 264, 270, 272, 288, 297, 306, 324, 330, 340, 352, 360, 374, 396, 405, 408, 432, 440, 459, 480, 486, 495, 510, 528, 540, 544, 561, 594, 612, 648, 660, 680, 720, 729, 748, 765, 792, 810, 816, 864, 880, 891, 918, 935, 972, 990, 1020, 1056, 1080, 1122, 1188, 1215, 1224, 1296, 1320, 1360, 1377, 1440, 1458, 1485, 1496, 1530, 1584, 1620, 1632, 1683, 1760, 1782, 1836, 1870, 1944, 1980, 2040, 2160, 2244, 2295, 2376, 2430, 2448, 2592, 2640, 2673, 2720, 2754, 2805, 2916, 2970, 2992, 3060, 3168, 3240, 3366, 3564, 3645, 3672, 3740, 3888, 3960, 4080, 4131, 4320, 4455, 4488, 4590, 4752, 4860, 4896, 5049, 5280, 5346, 5508, 5610, 5832, 5940, 5984, 6120, 6480, 6732, 6885, 7128, 7290, 7344, 7480, 7776, 7920, 8019, 8160, 8262, 8415, 8910, 8976, 9180, 9504, 9720, 10098, 10692, 11016, 11220, 11664, 11880, 12240, 12393, 12960, 13365, 13464, 13770, 14256, 14580, 14688, 14960, 15147, 15840, 16038, 16524, 16830, 17820, 17952, 18360, 19440, 20196, 20655, 21384, 22032, 22440, 23328, 23760, 24480, 24786, 25245, 26730, 26928, 27540, 28512, 29160, 29920, 30294, 32076, 33048, 33660, 35640, 36720, 38880, 40095, 40392, 41310, 42768, 44064, 44880, 45441, 47520, 49572, 50490, 53460, 53856, 55080, 58320, 60588, 61965, 64152, 66096, 67320, 71280, 73440, 75735, 80190, 80784, 82620, 85536, 89760, 90882, 99144, 100980, 106920, 110160, 116640, 121176, 123930, 128304, 132192, 134640, 136323, 142560, 151470, 160380, 161568, 165240, 181764, 198288, 201960, 213840, 220320, 227205, 242352, 247860, 256608, 269280, 272646, 302940, 320760, 330480, 363528, 396576, 403920, 427680, 454410, 484704, 495720, 545292, 605880, 641520, 660960, 681615, 727056, 807840, 908820, 991440, 1090584, 1211760, 1283040, 1363230, 1454112, 1817640, 1982880, 2181168, 2423520, 2726460, 3635280, 4362336, 5452920, 7270560, 10905840, 21811680]

約数ペア:

[(1, 21811680), (2, 10905840), (3, 7270560), (4, 5452920), (5, 4362336), (6, 3635280), (8, 2726460), (9, 2423520), (10, 2181168), (11, 1982880), (12, 1817640), (15, 1454112), (16, 1363230), (17, 1283040), (18, 1211760), (20, 1090584), (22, 991440), (24, 908820), (27, 807840), (30, 727056), (32, 681615), (33, 660960), (34, 641520), (36, 605880), (40, 545292), (44, 495720), (45, 484704), (48, 454410), (51, 427680), (54, 403920), (55, 396576), (60, 363528), (66, 330480), (68, 320760), (72, 302940), (80, 272646), (81, 269280), (85, 256608), (88, 247860), (90, 242352), (96, 227205), (99, 220320), (102, 213840), (108, 201960), (110, 198288), (120, 181764), (132, 165240), (135, 161568), (136, 160380), (144, 151470), (153, 142560), (160, 136323), (162, 134640), (165, 132192), (170, 128304), (176, 123930), (180, 121176), (187, 116640), (198, 110160), (204, 106920), (216, 100980), (220, 99144), (240, 90882), (243, 89760), (255, 85536), (264, 82620), (270, 80784), (272, 80190), (288, 75735), (297, 73440), (306, 71280), (324, 67320), (330, 66096), (340, 64152), (352, 61965), (360, 60588), (374, 58320), (396, 55080), (405, 53856), (408, 53460), (432, 50490), (440, 49572), (459, 47520), (480, 45441), (486, 44880), (495, 44064), (510, 42768), (528, 41310), (540, 40392), (544, 40095), (561, 38880), (594, 36720), (612, 35640), (648, 33660), (660, 33048), (680, 32076), (720, 30294), (729, 29920), (748, 29160), (765, 28512), (792, 27540), (810, 26928), (816, 26730), (864, 25245), (880, 24786), (891, 24480), (918, 23760), (935, 23328), (972, 22440), (990, 22032), (1020, 21384), (1056, 20655), (1080, 20196), (1122, 19440), (1188, 18360), (1215, 17952), (1224, 17820), (1296, 16830), (1320, 16524), (1360, 16038), (1377, 15840), (1440, 15147), (1458, 14960), (1485, 14688), (1496, 14580), (1530, 14256), (1584, 13770), (1620, 13464), (1632, 13365), (1683, 12960), (1760, 12393), (1782, 12240), (1836, 11880), (1870, 11664), (1944, 11220), (1980, 11016), (2040, 10692), (2160, 10098), (2244, 9720), (2295, 9504), (2376, 9180), (2430, 8976), (2448, 8910), (2592, 8415), (2640, 8262), (2673, 8160), (2720, 8019), (2754, 7920), (2805, 7776), (2916, 7480), (2970, 7344), (2992, 7290), (3060, 7128), (3168, 6885), (3240, 6732), (3366, 6480), (3564, 6120), (3645, 5984), (3672, 5940), (3740, 5832), (3888, 5610), (3960, 5508), (4080, 5346), (4131, 5280), (4320, 5049), (4455, 4896), (4488, 4860), (4590, 4752)]