21496320

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{311}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 76602240

約数和(自身を除く): 55105920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 311, 320, 360, 384, 432, 480, 512, 540, 576, 622, 640, 720, 768, 864, 933, 960, 1080, 1152, 1244, 1280, 1440, 1536, 1555, 1728, 1866, 1920, 2160, 2304, 2488, 2560, 2799, 2880, 3110, 3456, 3732, 3840, 4320, 4608, 4665, 4976, 5598, 5760, 6220, 6912, 7464, 7680, 8397, 8640, 9330, 9952, 11196, 11520, 12440, 13824, 13995, 14928, 16794, 17280, 18660, 19904, 22392, 23040, 24880, 27990, 29856, 33588, 34560, 37320, 39808, 41985, 44784, 49760, 55980, 59712, 67176, 69120, 74640, 79616, 83970, 89568, 99520, 111960, 119424, 134352, 149280, 159232, 167940, 179136, 199040, 223920, 238848, 268704, 298560, 335880, 358272, 398080, 447840, 477696, 537408, 597120, 671760, 716544, 796160, 895680, 1074816, 1194240, 1343520, 1433088, 1791360, 2149632, 2388480, 2687040, 3582720, 4299264, 5374080, 7165440, 10748160, 21496320]

約数ペア:

[(1, 21496320), (2, 10748160), (3, 7165440), (4, 5374080), (5, 4299264), (6, 3582720), (8, 2687040), (9, 2388480), (10, 2149632), (12, 1791360), (15, 1433088), (16, 1343520), (18, 1194240), (20, 1074816), (24, 895680), (27, 796160), (30, 716544), (32, 671760), (36, 597120), (40, 537408), (45, 477696), (48, 447840), (54, 398080), (60, 358272), (64, 335880), (72, 298560), (80, 268704), (90, 238848), (96, 223920), (108, 199040), (120, 179136), (128, 167940), (135, 159232), (144, 149280), (160, 134352), (180, 119424), (192, 111960), (216, 99520), (240, 89568), (256, 83970), (270, 79616), (288, 74640), (311, 69120), (320, 67176), (360, 59712), (384, 55980), (432, 49760), (480, 44784), (512, 41985), (540, 39808), (576, 37320), (622, 34560), (640, 33588), (720, 29856), (768, 27990), (864, 24880), (933, 23040), (960, 22392), (1080, 19904), (1152, 18660), (1244, 17280), (1280, 16794), (1440, 14928), (1536, 13995), (1555, 13824), (1728, 12440), (1866, 11520), (1920, 11196), (2160, 9952), (2304, 9330), (2488, 8640), (2560, 8397), (2799, 7680), (2880, 7464), (3110, 6912), (3456, 6220), (3732, 5760), (3840, 5598), (4320, 4976), (4608, 4665)]