21461760

素因数分解:

$2^8\times 3^6\times 5^1\times {\mathrm{23}}^1$

素因数の和:62

約数の個数: 252

約数和(自身を含む): 80427312

約数和(自身を除く): 58965552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 162, 180, 184, 192, 207, 216, 230, 240, 243, 256, 270, 276, 288, 320, 324, 345, 360, 368, 384, 405, 414, 432, 460, 480, 486, 540, 552, 576, 621, 640, 648, 690, 720, 729, 736, 768, 810, 828, 864, 920, 960, 972, 1035, 1080, 1104, 1152, 1215, 1242, 1280, 1296, 1380, 1440, 1458, 1472, 1620, 1656, 1728, 1840, 1863, 1920, 1944, 2070, 2160, 2208, 2304, 2430, 2484, 2592, 2760, 2880, 2916, 2944, 3105, 3240, 3312, 3456, 3645, 3680, 3726, 3840, 3888, 4140, 4320, 4416, 4860, 4968, 5184, 5520, 5589, 5760, 5832, 5888, 6210, 6480, 6624, 6912, 7290, 7360, 7452, 7776, 8280, 8640, 8832, 9315, 9720, 9936, 10368, 11040, 11178, 11520, 11664, 12420, 12960, 13248, 14580, 14720, 14904, 15552, 16560, 16767, 17280, 17664, 18630, 19440, 19872, 20736, 22080, 22356, 23328, 24840, 25920, 26496, 27945, 29160, 29440, 29808, 31104, 33120, 33534, 34560, 37260, 38880, 39744, 44160, 44712, 46656, 49680, 51840, 52992, 55890, 58320, 59616, 62208, 66240, 67068, 74520, 77760, 79488, 83835, 88320, 89424, 93312, 99360, 103680, 111780, 116640, 119232, 132480, 134136, 149040, 155520, 158976, 167670, 178848, 186624, 198720, 223560, 233280, 238464, 264960, 268272, 298080, 311040, 335340, 357696, 397440, 447120, 466560, 476928, 536544, 596160, 670680, 715392, 794880, 894240, 933120, 1073088, 1192320, 1341360, 1430784, 1788480, 2146176, 2384640, 2682720, 3576960, 4292352, 5365440, 7153920, 10730880, 21461760]

約数ペア:

[(1, 21461760), (2, 10730880), (3, 7153920), (4, 5365440), (5, 4292352), (6, 3576960), (8, 2682720), (9, 2384640), (10, 2146176), (12, 1788480), (15, 1430784), (16, 1341360), (18, 1192320), (20, 1073088), (23, 933120), (24, 894240), (27, 794880), (30, 715392), (32, 670680), (36, 596160), (40, 536544), (45, 476928), (46, 466560), (48, 447120), (54, 397440), (60, 357696), (64, 335340), (69, 311040), (72, 298080), (80, 268272), (81, 264960), (90, 238464), (92, 233280), (96, 223560), (108, 198720), (115, 186624), (120, 178848), (128, 167670), (135, 158976), (138, 155520), (144, 149040), (160, 134136), (162, 132480), (180, 119232), (184, 116640), (192, 111780), (207, 103680), (216, 99360), (230, 93312), (240, 89424), (243, 88320), (256, 83835), (270, 79488), (276, 77760), (288, 74520), (320, 67068), (324, 66240), (345, 62208), (360, 59616), (368, 58320), (384, 55890), (405, 52992), (414, 51840), (432, 49680), (460, 46656), (480, 44712), (486, 44160), (540, 39744), (552, 38880), (576, 37260), (621, 34560), (640, 33534), (648, 33120), (690, 31104), (720, 29808), (729, 29440), (736, 29160), (768, 27945), (810, 26496), (828, 25920), (864, 24840), (920, 23328), (960, 22356), (972, 22080), (1035, 20736), (1080, 19872), (1104, 19440), (1152, 18630), (1215, 17664), (1242, 17280), (1280, 16767), (1296, 16560), (1380, 15552), (1440, 14904), (1458, 14720), (1472, 14580), (1620, 13248), (1656, 12960), (1728, 12420), (1840, 11664), (1863, 11520), (1920, 11178), (1944, 11040), (2070, 10368), (2160, 9936), (2208, 9720), (2304, 9315), (2430, 8832), (2484, 8640), (2592, 8280), (2760, 7776), (2880, 7452), (2916, 7360), (2944, 7290), (3105, 6912), (3240, 6624), (3312, 6480), (3456, 6210), (3645, 5888), (3680, 5832), (3726, 5760), (3840, 5589), (3888, 5520), (4140, 5184), (4320, 4968), (4416, 4860)]