21189600

素因数分解:

$2^5\times 3^5\times 5^2\times {\mathrm{109}}^1$

素因数の和:144

約数の個数: 216

約数和(自身を含む): 78198120

約数和(自身を除く): 57008520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 108, 109, 120, 135, 144, 150, 160, 162, 180, 200, 216, 218, 225, 240, 243, 270, 288, 300, 324, 327, 360, 400, 405, 432, 436, 450, 480, 486, 540, 545, 600, 648, 654, 675, 720, 800, 810, 864, 872, 900, 972, 981, 1080, 1090, 1200, 1215, 1296, 1308, 1350, 1440, 1620, 1635, 1744, 1800, 1944, 1962, 2025, 2160, 2180, 2400, 2430, 2592, 2616, 2700, 2725, 2943, 3240, 3270, 3488, 3600, 3888, 3924, 4050, 4320, 4360, 4860, 4905, 5232, 5400, 5450, 5886, 6075, 6480, 6540, 7200, 7776, 7848, 8100, 8175, 8720, 8829, 9720, 9810, 10464, 10800, 10900, 11772, 12150, 12960, 13080, 14715, 15696, 16200, 16350, 17440, 17658, 19440, 19620, 21600, 21800, 23544, 24300, 24525, 26160, 26487, 29430, 31392, 32400, 32700, 35316, 38880, 39240, 43600, 44145, 47088, 48600, 49050, 52320, 52974, 58860, 64800, 65400, 70632, 73575, 78480, 87200, 88290, 94176, 97200, 98100, 105948, 117720, 130800, 132435, 141264, 147150, 156960, 176580, 194400, 196200, 211896, 220725, 235440, 261600, 264870, 282528, 294300, 353160, 392400, 423792, 441450, 470880, 529740, 588600, 662175, 706320, 784800, 847584, 882900, 1059480, 1177200, 1324350, 1412640, 1765800, 2118960, 2354400, 2648700, 3531600, 4237920, 5297400, 7063200, 10594800, 21189600]

約数ペア:

[(1, 21189600), (2, 10594800), (3, 7063200), (4, 5297400), (5, 4237920), (6, 3531600), (8, 2648700), (9, 2354400), (10, 2118960), (12, 1765800), (15, 1412640), (16, 1324350), (18, 1177200), (20, 1059480), (24, 882900), (25, 847584), (27, 784800), (30, 706320), (32, 662175), (36, 588600), (40, 529740), (45, 470880), (48, 441450), (50, 423792), (54, 392400), (60, 353160), (72, 294300), (75, 282528), (80, 264870), (81, 261600), (90, 235440), (96, 220725), (100, 211896), (108, 196200), (109, 194400), (120, 176580), (135, 156960), (144, 147150), (150, 141264), (160, 132435), (162, 130800), (180, 117720), (200, 105948), (216, 98100), (218, 97200), (225, 94176), (240, 88290), (243, 87200), (270, 78480), (288, 73575), (300, 70632), (324, 65400), (327, 64800), (360, 58860), (400, 52974), (405, 52320), (432, 49050), (436, 48600), (450, 47088), (480, 44145), (486, 43600), (540, 39240), (545, 38880), (600, 35316), (648, 32700), (654, 32400), (675, 31392), (720, 29430), (800, 26487), (810, 26160), (864, 24525), (872, 24300), (900, 23544), (972, 21800), (981, 21600), (1080, 19620), (1090, 19440), (1200, 17658), (1215, 17440), (1296, 16350), (1308, 16200), (1350, 15696), (1440, 14715), (1620, 13080), (1635, 12960), (1744, 12150), (1800, 11772), (1944, 10900), (1962, 10800), (2025, 10464), (2160, 9810), (2180, 9720), (2400, 8829), (2430, 8720), (2592, 8175), (2616, 8100), (2700, 7848), (2725, 7776), (2943, 7200), (3240, 6540), (3270, 6480), (3488, 6075), (3600, 5886), (3888, 5450), (3924, 5400), (4050, 5232), (4320, 4905), (4360, 4860)]