21737760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:231

約数の個数: 192

約数和(自身を含む): 78382080

約数和(自身を除く): 56644320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 96, 110, 115, 120, 132, 138, 160, 165, 176, 179, 184, 220, 230, 240, 253, 264, 276, 330, 345, 352, 358, 368, 440, 460, 480, 506, 528, 537, 552, 660, 690, 716, 736, 759, 880, 895, 920, 1012, 1056, 1074, 1104, 1265, 1320, 1380, 1432, 1518, 1760, 1790, 1840, 1969, 2024, 2148, 2208, 2530, 2640, 2685, 2760, 2864, 3036, 3580, 3680, 3795, 3938, 4048, 4117, 4296, 5060, 5280, 5370, 5520, 5728, 5907, 6072, 7160, 7590, 7876, 8096, 8234, 8592, 9845, 10120, 10740, 11040, 11814, 12144, 12351, 14320, 15180, 15752, 16468, 17184, 19690, 20240, 20585, 21480, 23628, 24288, 24702, 28640, 29535, 30360, 31504, 32936, 39380, 40480, 41170, 42960, 45287, 47256, 49404, 59070, 60720, 61755, 63008, 65872, 78760, 82340, 85920, 90574, 94512, 98808, 118140, 121440, 123510, 131744, 135861, 157520, 164680, 181148, 189024, 197616, 226435, 236280, 247020, 271722, 315040, 329360, 362296, 395232, 452870, 472560, 494040, 543444, 658720, 679305, 724592, 905740, 945120, 988080, 1086888, 1358610, 1449184, 1811480, 1976160, 2173776, 2717220, 3622960, 4347552, 5434440, 7245920, 10868880, 21737760]

約数ペア:

[(1, 21737760), (2, 10868880), (3, 7245920), (4, 5434440), (5, 4347552), (6, 3622960), (8, 2717220), (10, 2173776), (11, 1976160), (12, 1811480), (15, 1449184), (16, 1358610), (20, 1086888), (22, 988080), (23, 945120), (24, 905740), (30, 724592), (32, 679305), (33, 658720), (40, 543444), (44, 494040), (46, 472560), (48, 452870), (55, 395232), (60, 362296), (66, 329360), (69, 315040), (80, 271722), (88, 247020), (92, 236280), (96, 226435), (110, 197616), (115, 189024), (120, 181148), (132, 164680), (138, 157520), (160, 135861), (165, 131744), (176, 123510), (179, 121440), (184, 118140), (220, 98808), (230, 94512), (240, 90574), (253, 85920), (264, 82340), (276, 78760), (330, 65872), (345, 63008), (352, 61755), (358, 60720), (368, 59070), (440, 49404), (460, 47256), (480, 45287), (506, 42960), (528, 41170), (537, 40480), (552, 39380), (660, 32936), (690, 31504), (716, 30360), (736, 29535), (759, 28640), (880, 24702), (895, 24288), (920, 23628), (1012, 21480), (1056, 20585), (1074, 20240), (1104, 19690), (1265, 17184), (1320, 16468), (1380, 15752), (1432, 15180), (1518, 14320), (1760, 12351), (1790, 12144), (1840, 11814), (1969, 11040), (2024, 10740), (2148, 10120), (2208, 9845), (2530, 8592), (2640, 8234), (2685, 8096), (2760, 7876), (2864, 7590), (3036, 7160), (3580, 6072), (3680, 5907), (3795, 5728), (3938, 5520), (4048, 5370), (4117, 5280), (4296, 5060)]