21489506880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{8387}}^1$

素因数の和:8581

約数の個数: 224

約数和(自身を含む): 72711478656

約数和(自身を除く): 51221971776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 157, 160, 170, 192, 204, 240, 255, 272, 314, 320, 340, 408, 471, 480, 510, 544, 628, 680, 785, 816, 942, 960, 1020, 1088, 1256, 1360, 1570, 1632, 1884, 2040, 2355, 2512, 2669, 2720, 3140, 3264, 3768, 4080, 4710, 5024, 5338, 5440, 6280, 7536, 8007, 8160, 8387, 9420, 10048, 10676, 12560, 13345, 15072, 16014, 16320, 16774, 18840, 21352, 25120, 25161, 26690, 30144, 32028, 33548, 37680, 40035, 41935, 42704, 50240, 50322, 53380, 64056, 67096, 75360, 80070, 83870, 85408, 100644, 106760, 125805, 128112, 134192, 142579, 150720, 160140, 167740, 170816, 201288, 213520, 251610, 256224, 268384, 285158, 320280, 335480, 402576, 427040, 427737, 503220, 512448, 536768, 570316, 640560, 670960, 712895, 805152, 854080, 855474, 1006440, 1140632, 1281120, 1316759, 1341920, 1425790, 1610304, 1710948, 2012880, 2138685, 2281264, 2562240, 2633518, 2683840, 2851580, 3421896, 3950277, 4025760, 4277370, 4562528, 5267036, 5703160, 6583795, 6843792, 7900554, 8051520, 8554740, 9125056, 10534072, 11406320, 13167590, 13687584, 15801108, 17109480, 19751385, 21068144, 22384903, 22812640, 26335180, 27375168, 31602216, 34218960, 39502770, 42136288, 44769806, 45625280, 52670360, 63204432, 67154709, 68437920, 79005540, 84272576, 89539612, 105340720, 111924515, 126408864, 134309418, 136875840, 158011080, 179079224, 210681440, 223849030, 252817728, 268618836, 316022160, 335773545, 358158448, 421362880, 447698060, 537237672, 632044320, 671547090, 716316896, 895396120, 1074475344, 1264088640, 1343094180, 1432633792, 1790792240, 2148950688, 2686188360, 3581584480, 4297901376, 5372376720, 7163168960, 10744753440, 21489506880]

約数ペア:

[(1, 21489506880), (2, 10744753440), (3, 7163168960), (4, 5372376720), (5, 4297901376), (6, 3581584480), (8, 2686188360), (10, 2148950688), (12, 1790792240), (15, 1432633792), (16, 1343094180), (17, 1264088640), (20, 1074475344), (24, 895396120), (30, 716316896), (32, 671547090), (34, 632044320), (40, 537237672), (48, 447698060), (51, 421362880), (60, 358158448), (64, 335773545), (68, 316022160), (80, 268618836), (85, 252817728), (96, 223849030), (102, 210681440), (120, 179079224), (136, 158011080), (157, 136875840), (160, 134309418), (170, 126408864), (192, 111924515), (204, 105340720), (240, 89539612), (255, 84272576), (272, 79005540), (314, 68437920), (320, 67154709), (340, 63204432), (408, 52670360), (471, 45625280), (480, 44769806), (510, 42136288), (544, 39502770), (628, 34218960), (680, 31602216), (785, 27375168), (816, 26335180), (942, 22812640), (960, 22384903), (1020, 21068144), (1088, 19751385), (1256, 17109480), (1360, 15801108), (1570, 13687584), (1632, 13167590), (1884, 11406320), (2040, 10534072), (2355, 9125056), (2512, 8554740), (2669, 8051520), (2720, 7900554), (3140, 6843792), (3264, 6583795), (3768, 5703160), (4080, 5267036), (4710, 4562528), (5024, 4277370), (5338, 4025760), (5440, 3950277), (6280, 3421896), (7536, 2851580), (8007, 2683840), (8160, 2633518), (8387, 2562240), (9420, 2281264), (10048, 2138685), (10676, 2012880), (12560, 1710948), (13345, 1610304), (15072, 1425790), (16014, 1341920), (16320, 1316759), (16774, 1281120), (18840, 1140632), (21352, 1006440), (25120, 855474), (25161, 854080), (26690, 805152), (30144, 712895), (32028, 670960), (33548, 640560), (37680, 570316), (40035, 536768), (41935, 512448), (42704, 503220), (50240, 427737), (50322, 427040), (53380, 402576), (64056, 335480), (67096, 320280), (75360, 285158), (80070, 268384), (83870, 256224), (85408, 251610), (100644, 213520), (106760, 201288), (125805, 170816), (128112, 167740), (134192, 160140), (142579, 150720)]