21493170720

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41809}}^1$

素因数の和:41857

約数の個数: 384

約数和(自身を含む): 91032076800

約数和(自身を除く): 69538906080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 54, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 108, 112, 119, 120, 126, 135, 136, 140, 144, 153, 160, 168, 170, 180, 189, 204, 210, 216, 224, 238, 240, 252, 255, 270, 272, 280, 288, 306, 315, 336, 340, 357, 360, 378, 408, 420, 432, 459, 476, 480, 504, 510, 540, 544, 560, 595, 612, 630, 672, 680, 714, 720, 756, 765, 816, 840, 864, 918, 945, 952, 1008, 1020, 1071, 1080, 1120, 1190, 1224, 1260, 1360, 1428, 1440, 1512, 1530, 1632, 1680, 1785, 1836, 1890, 1904, 2016, 2040, 2142, 2160, 2295, 2380, 2448, 2520, 2720, 2856, 3024, 3060, 3213, 3360, 3570, 3672, 3780, 3808, 4080, 4284, 4320, 4590, 4760, 4896, 5040, 5355, 5712, 6048, 6120, 6426, 7140, 7344, 7560, 8160, 8568, 9180, 9520, 10080, 10710, 11424, 12240, 12852, 14280, 14688, 15120, 16065, 17136, 18360, 19040, 21420, 24480, 25704, 28560, 30240, 32130, 34272, 36720, 41809, 42840, 51408, 57120, 64260, 73440, 83618, 85680, 102816, 125427, 128520, 167236, 171360, 209045, 250854, 257040, 292663, 334472, 376281, 418090, 501708, 514080, 585326, 627135, 668944, 710753, 752562, 836180, 877989, 1003416, 1128843, 1170652, 1254270, 1337888, 1421506, 1463315, 1505124, 1672360, 1755978, 1881405, 2006832, 2132259, 2257686, 2341304, 2508540, 2633967, 2843012, 2926630, 3010248, 3344720, 3511956, 3553765, 3762810, 4013664, 4264518, 4389945, 4515372, 4682608, 4975271, 5017080, 5267934, 5644215, 5686024, 5853260, 6020496, 6396777, 6689440, 7023912, 7107530, 7525620, 7901901, 8529036, 8779890, 9030744, 9365216, 9950542, 10034160, 10535868, 10661295, 11288430, 11372048, 11706520, 12040992, 12793554, 13169835, 14047824, 14215060, 14925813, 15051240, 15803802, 17058072, 17559780, 18061488, 19190331, 19901084, 20068320, 21071736, 21322590, 22576860, 22744096, 23413040, 24876355, 25587108, 26339670, 28095648, 28430120, 29851626, 30102480, 31607604, 31983885, 34116144, 35119560, 36122976, 38380662, 39509505, 39802168, 42143472, 42645180, 44777439, 45153720, 46826080, 49752710, 51174216, 52679340, 56860240, 59703252, 60204960, 63215208, 63967770, 68232288, 70239120, 74629065, 76761324, 79019010, 79604336, 84286944, 85290360, 89554878, 90307440, 95951655, 99505420, 102348432, 105358680, 113720480, 119406504, 126430416, 127935540, 134332317, 140478240, 149258130, 153522648, 158038020, 159208672, 170580720, 179109756, 180614880, 191903310, 199010840, 204696864, 210717360, 223887195, 238813008, 252860832, 255871080, 268664634, 298516260, 307045296, 316076040, 341161440, 358219512, 383806620, 398021680, 421434720, 447774390, 477626016, 511742160, 537329268, 597032520, 614090592, 632152080, 671661585, 716439024, 767613240, 796043360, 895548780, 1023484320, 1074658536, 1194065040, 1264304160, 1343323170, 1432878048, 1535226480, 1791097560, 2149317072, 2388130080, 2686646340, 3070452960, 3582195120, 4298634144, 5373292680, 7164390240, 10746585360, 21493170720]

約数ペア:

[(1, 21493170720), (2, 10746585360), (3, 7164390240), (4, 5373292680), (5, 4298634144), (6, 3582195120), (7, 3070452960), (8, 2686646340), (9, 2388130080), (10, 2149317072), (12, 1791097560), (14, 1535226480), (15, 1432878048), (16, 1343323170), (17, 1264304160), (18, 1194065040), (20, 1074658536), (21, 1023484320), (24, 895548780), (27, 796043360), (28, 767613240), (30, 716439024), (32, 671661585), (34, 632152080), (35, 614090592), (36, 597032520), (40, 537329268), (42, 511742160), (45, 477626016), (48, 447774390), (51, 421434720), (54, 398021680), (56, 383806620), (60, 358219512), (63, 341161440), (68, 316076040), (70, 307045296), (72, 298516260), (80, 268664634), (84, 255871080), (85, 252860832), (90, 238813008), (96, 223887195), (102, 210717360), (105, 204696864), (108, 199010840), (112, 191903310), (119, 180614880), (120, 179109756), (126, 170580720), (135, 159208672), (136, 158038020), (140, 153522648), (144, 149258130), (153, 140478240), (160, 134332317), (168, 127935540), (170, 126430416), (180, 119406504), (189, 113720480), (204, 105358680), (210, 102348432), (216, 99505420), (224, 95951655), (238, 90307440), (240, 89554878), (252, 85290360), (255, 84286944), (270, 79604336), (272, 79019010), (280, 76761324), (288, 74629065), (306, 70239120), (315, 68232288), (336, 63967770), (340, 63215208), (357, 60204960), (360, 59703252), (378, 56860240), (408, 52679340), (420, 51174216), (432, 49752710), (459, 46826080), (476, 45153720), (480, 44777439), (504, 42645180), (510, 42143472), (540, 39802168), (544, 39509505), (560, 38380662), (595, 36122976), (612, 35119560), (630, 34116144), (672, 31983885), (680, 31607604), (714, 30102480), (720, 29851626), (756, 28430120), (765, 28095648), (816, 26339670), (840, 25587108), (864, 24876355), (918, 23413040), (945, 22744096), (952, 22576860), (1008, 21322590), (1020, 21071736), (1071, 20068320), (1080, 19901084), (1120, 19190331), (1190, 18061488), (1224, 17559780), (1260, 17058072), (1360, 15803802), (1428, 15051240), (1440, 14925813), (1512, 14215060), (1530, 14047824), (1632, 13169835), (1680, 12793554), (1785, 12040992), (1836, 11706520), (1890, 11372048), (1904, 11288430), (2016, 10661295), (2040, 10535868), (2142, 10034160), (2160, 9950542), (2295, 9365216), (2380, 9030744), (2448, 8779890), (2520, 8529036), (2720, 7901901), (2856, 7525620), (3024, 7107530), (3060, 7023912), (3213, 6689440), (3360, 6396777), (3570, 6020496), (3672, 5853260), (3780, 5686024), (3808, 5644215), (4080, 5267934), (4284, 5017080), (4320, 4975271), (4590, 4682608), (4760, 4515372), (4896, 4389945), (5040, 4264518), (5355, 4013664), (5712, 3762810), (6048, 3553765), (6120, 3511956), (6426, 3344720), (7140, 3010248), (7344, 2926630), (7560, 2843012), (8160, 2633967), (8568, 2508540), (9180, 2341304), (9520, 2257686), (10080, 2132259), (10710, 2006832), (11424, 1881405), (12240, 1755978), (12852, 1672360), (14280, 1505124), (14688, 1463315), (15120, 1421506), (16065, 1337888), (17136, 1254270), (18360, 1170652), (19040, 1128843), (21420, 1003416), (24480, 877989), (25704, 836180), (28560, 752562), (30240, 710753), (32130, 668944), (34272, 627135), (36720, 585326), (41809, 514080), (42840, 501708), (51408, 418090), (57120, 376281), (64260, 334472), (73440, 292663), (83618, 257040), (85680, 250854), (102816, 209045), (125427, 171360), (128520, 167236)]