21003840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:67

約数の個数: 448

約数和(自身を含む): 92171520

約数和(自身を除く): 71167680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 20, 22, 24, 26, 27, 30, 32, 33, 34, 36, 39, 40, 44, 45, 48, 51, 52, 54, 55, 60, 64, 65, 66, 68, 72, 78, 80, 85, 88, 90, 96, 99, 102, 104, 108, 110, 117, 120, 130, 132, 135, 136, 143, 144, 153, 156, 160, 165, 170, 176, 180, 187, 192, 195, 198, 204, 208, 216, 220, 221, 234, 240, 255, 260, 264, 270, 272, 286, 288, 297, 306, 312, 320, 330, 340, 351, 352, 360, 374, 390, 396, 408, 416, 429, 432, 440, 442, 459, 468, 480, 495, 510, 520, 528, 540, 544, 561, 572, 576, 585, 594, 612, 624, 660, 663, 680, 702, 704, 715, 720, 748, 765, 780, 792, 816, 832, 858, 864, 880, 884, 918, 935, 936, 960, 990, 1020, 1040, 1056, 1080, 1088, 1105, 1122, 1144, 1170, 1188, 1224, 1248, 1287, 1320, 1326, 1360, 1404, 1430, 1440, 1485, 1496, 1530, 1560, 1584, 1632, 1683, 1716, 1728, 1755, 1760, 1768, 1836, 1870, 1872, 1980, 1989, 2040, 2080, 2112, 2145, 2160, 2210, 2244, 2288, 2295, 2340, 2376, 2431, 2448, 2496, 2574, 2640, 2652, 2720, 2805, 2808, 2860, 2880, 2970, 2992, 3060, 3120, 3168, 3264, 3315, 3366, 3432, 3510, 3520, 3536, 3672, 3740, 3744, 3861, 3960, 3978, 4080, 4160, 4290, 4320, 4420, 4488, 4576, 4590, 4680, 4752, 4862, 4896, 5049, 5148, 5280, 5304, 5440, 5610, 5616, 5720, 5940, 5967, 5984, 6120, 6240, 6336, 6435, 6630, 6732, 6864, 7020, 7072, 7293, 7344, 7480, 7488, 7722, 7920, 7956, 8160, 8415, 8580, 8640, 8840, 8976, 9152, 9180, 9360, 9504, 9724, 9792, 9945, 10098, 10296, 10560, 10608, 11220, 11232, 11440, 11880, 11934, 11968, 12155, 12240, 12480, 12870, 13260, 13464, 13728, 14040, 14144, 14586, 14688, 14960, 15444, 15840, 15912, 16320, 16830, 17160, 17680, 17952, 18360, 18720, 19008, 19305, 19448, 19890, 20196, 20592, 21216, 21879, 22440, 22464, 22880, 23760, 23868, 24310, 24480, 25245, 25740, 26520, 26928, 27456, 28080, 29172, 29376, 29835, 29920, 30888, 31680, 31824, 33660, 34320, 35360, 35904, 36465, 36720, 37440, 38610, 38896, 39780, 40392, 41184, 42432, 43758, 44880, 45760, 47520, 47736, 48620, 48960, 50490, 51480, 53040, 53856, 56160, 58344, 59670, 59840, 61776, 63648, 65637, 67320, 68640, 70720, 72930, 73440, 77220, 77792, 79560, 80784, 82368, 87516, 89760, 95040, 95472, 97240, 100980, 102960, 106080, 107712, 109395, 112320, 116688, 119340, 123552, 127296, 131274, 134640, 137280, 145860, 146880, 154440, 155584, 159120, 161568, 175032, 179520, 190944, 194480, 201960, 205920, 212160, 218790, 233376, 238680, 247104, 262548, 269280, 291720, 308880, 318240, 323136, 328185, 350064, 381888, 388960, 403920, 411840, 437580, 466752, 477360, 525096, 538560, 583440, 617760, 636480, 656370, 700128, 777920, 807840, 875160, 954720, 1050192, 1166880, 1235520, 1312740, 1400256, 1615680, 1750320, 1909440, 2100384, 2333760, 2625480, 3500640, 4200768, 5250960, 7001280, 10501920, 21003840]

約数ペア:

[(1, 21003840), (2, 10501920), (3, 7001280), (4, 5250960), (5, 4200768), (6, 3500640), (8, 2625480), (9, 2333760), (10, 2100384), (11, 1909440), (12, 1750320), (13, 1615680), (15, 1400256), (16, 1312740), (17, 1235520), (18, 1166880), (20, 1050192), (22, 954720), (24, 875160), (26, 807840), (27, 777920), (30, 700128), (32, 656370), (33, 636480), (34, 617760), (36, 583440), (39, 538560), (40, 525096), (44, 477360), (45, 466752), (48, 437580), (51, 411840), (52, 403920), (54, 388960), (55, 381888), (60, 350064), (64, 328185), (65, 323136), (66, 318240), (68, 308880), (72, 291720), (78, 269280), (80, 262548), (85, 247104), (88, 238680), (90, 233376), (96, 218790), (99, 212160), (102, 205920), (104, 201960), (108, 194480), (110, 190944), (117, 179520), (120, 175032), (130, 161568), (132, 159120), (135, 155584), (136, 154440), (143, 146880), (144, 145860), (153, 137280), (156, 134640), (160, 131274), (165, 127296), (170, 123552), (176, 119340), (180, 116688), (187, 112320), (192, 109395), (195, 107712), (198, 106080), (204, 102960), (208, 100980), (216, 97240), (220, 95472), (221, 95040), (234, 89760), (240, 87516), (255, 82368), (260, 80784), (264, 79560), (270, 77792), (272, 77220), (286, 73440), (288, 72930), (297, 70720), (306, 68640), (312, 67320), (320, 65637), (330, 63648), (340, 61776), (351, 59840), (352, 59670), (360, 58344), (374, 56160), (390, 53856), (396, 53040), (408, 51480), (416, 50490), (429, 48960), (432, 48620), (440, 47736), (442, 47520), (459, 45760), (468, 44880), (480, 43758), (495, 42432), (510, 41184), (520, 40392), (528, 39780), (540, 38896), (544, 38610), (561, 37440), (572, 36720), (576, 36465), (585, 35904), (594, 35360), (612, 34320), (624, 33660), (660, 31824), (663, 31680), (680, 30888), (702, 29920), (704, 29835), (715, 29376), (720, 29172), (748, 28080), (765, 27456), (780, 26928), (792, 26520), (816, 25740), (832, 25245), (858, 24480), (864, 24310), (880, 23868), (884, 23760), (918, 22880), (935, 22464), (936, 22440), (960, 21879), (990, 21216), (1020, 20592), (1040, 20196), (1056, 19890), (1080, 19448), (1088, 19305), (1105, 19008), (1122, 18720), (1144, 18360), (1170, 17952), (1188, 17680), (1224, 17160), (1248, 16830), (1287, 16320), (1320, 15912), (1326, 15840), (1360, 15444), (1404, 14960), (1430, 14688), (1440, 14586), (1485, 14144), (1496, 14040), (1530, 13728), (1560, 13464), (1584, 13260), (1632, 12870), (1683, 12480), (1716, 12240), (1728, 12155), (1755, 11968), (1760, 11934), (1768, 11880), (1836, 11440), (1870, 11232), (1872, 11220), (1980, 10608), (1989, 10560), (2040, 10296), (2080, 10098), (2112, 9945), (2145, 9792), (2160, 9724), (2210, 9504), (2244, 9360), (2288, 9180), (2295, 9152), (2340, 8976), (2376, 8840), (2431, 8640), (2448, 8580), (2496, 8415), (2574, 8160), (2640, 7956), (2652, 7920), (2720, 7722), (2805, 7488), (2808, 7480), (2860, 7344), (2880, 7293), (2970, 7072), (2992, 7020), (3060, 6864), (3120, 6732), (3168, 6630), (3264, 6435), (3315, 6336), (3366, 6240), (3432, 6120), (3510, 5984), (3520, 5967), (3536, 5940), (3672, 5720), (3740, 5616), (3744, 5610), (3861, 5440), (3960, 5304), (3978, 5280), (4080, 5148), (4160, 5049), (4290, 4896), (4320, 4862), (4420, 4752), (4488, 4680), (4576, 4590)]