21616320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 224

約数和(自身を含む): 79004160

約数和(自身を除く): 57387840

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, 64, 66, 69, 80, 88, 89, 92, 96, 110, 115, 120, 132, 138, 160, 165, 176, 178, 184, 192, 220, 230, 240, 253, 264, 267, 276, 320, 330, 345, 352, 356, 368, 440, 445, 460, 480, 506, 528, 534, 552, 660, 690, 704, 712, 736, 759, 880, 890, 920, 960, 979, 1012, 1056, 1068, 1104, 1265, 1320, 1335, 1380, 1424, 1472, 1518, 1760, 1780, 1840, 1958, 2024, 2047, 2112, 2136, 2208, 2530, 2640, 2670, 2760, 2848, 2937, 3036, 3520, 3560, 3680, 3795, 3916, 4048, 4094, 4272, 4416, 4895, 5060, 5280, 5340, 5520, 5696, 5874, 6072, 6141, 7120, 7360, 7590, 7832, 8096, 8188, 8544, 9790, 10120, 10235, 10560, 10680, 11040, 11748, 12144, 12282, 14240, 14685, 15180, 15664, 16192, 16376, 17088, 19580, 20240, 20470, 21360, 22080, 22517, 23496, 24288, 24564, 28480, 29370, 30360, 30705, 31328, 32752, 39160, 40480, 40940, 42720, 45034, 46992, 48576, 49128, 58740, 60720, 61410, 62656, 65504, 67551, 78320, 80960, 81880, 85440, 90068, 93984, 98256, 112585, 117480, 121440, 122820, 131008, 135102, 156640, 163760, 180136, 187968, 196512, 225170, 234960, 242880, 245640, 270204, 313280, 327520, 337755, 360272, 393024, 450340, 469920, 491280, 540408, 655040, 675510, 720544, 900680, 939840, 982560, 1080816, 1351020, 1441088, 1801360, 1965120, 2161632, 2702040, 3602720, 4323264, 5404080, 7205440, 10808160, 21616320]

約数ペア:

[(1, 21616320), (2, 10808160), (3, 7205440), (4, 5404080), (5, 4323264), (6, 3602720), (8, 2702040), (10, 2161632), (11, 1965120), (12, 1801360), (15, 1441088), (16, 1351020), (20, 1080816), (22, 982560), (23, 939840), (24, 900680), (30, 720544), (32, 675510), (33, 655040), (40, 540408), (44, 491280), (46, 469920), (48, 450340), (55, 393024), (60, 360272), (64, 337755), (66, 327520), (69, 313280), (80, 270204), (88, 245640), (89, 242880), (92, 234960), (96, 225170), (110, 196512), (115, 187968), (120, 180136), (132, 163760), (138, 156640), (160, 135102), (165, 131008), (176, 122820), (178, 121440), (184, 117480), (192, 112585), (220, 98256), (230, 93984), (240, 90068), (253, 85440), (264, 81880), (267, 80960), (276, 78320), (320, 67551), (330, 65504), (345, 62656), (352, 61410), (356, 60720), (368, 58740), (440, 49128), (445, 48576), (460, 46992), (480, 45034), (506, 42720), (528, 40940), (534, 40480), (552, 39160), (660, 32752), (690, 31328), (704, 30705), (712, 30360), (736, 29370), (759, 28480), (880, 24564), (890, 24288), (920, 23496), (960, 22517), (979, 22080), (1012, 21360), (1056, 20470), (1068, 20240), (1104, 19580), (1265, 17088), (1320, 16376), (1335, 16192), (1380, 15664), (1424, 15180), (1472, 14685), (1518, 14240), (1760, 12282), (1780, 12144), (1840, 11748), (1958, 11040), (2024, 10680), (2047, 10560), (2112, 10235), (2136, 10120), (2208, 9790), (2530, 8544), (2640, 8188), (2670, 8096), (2760, 7832), (2848, 7590), (2937, 7360), (3036, 7120), (3520, 6141), (3560, 6072), (3680, 5874), (3795, 5696), (3916, 5520), (4048, 5340), (4094, 5280), (4272, 5060), (4416, 4895)]