21487238400

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{65831}}^1$

素因数の和:65877

約数の個数: 216

約数和(自身を含む): 75084819264

約数和(自身を除く): 53597580864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 128, 136, 150, 160, 170, 192, 200, 204, 240, 255, 256, 272, 300, 320, 340, 384, 400, 408, 425, 480, 510, 544, 600, 640, 680, 768, 800, 816, 850, 960, 1020, 1088, 1200, 1275, 1280, 1360, 1600, 1632, 1700, 1920, 2040, 2176, 2400, 2550, 2720, 3200, 3264, 3400, 3840, 4080, 4352, 4800, 5100, 5440, 6400, 6528, 6800, 8160, 9600, 10200, 10880, 13056, 13600, 16320, 19200, 20400, 21760, 27200, 32640, 40800, 54400, 65280, 65831, 81600, 108800, 131662, 163200, 197493, 263324, 326400, 329155, 394986, 526648, 658310, 789972, 987465, 1053296, 1119127, 1316620, 1579944, 1645775, 1974930, 2106592, 2238254, 2633240, 3159888, 3291550, 3357381, 3949860, 4213184, 4476508, 4937325, 5266480, 5595635, 6319776, 6583100, 6714762, 7899720, 8426368, 8953016, 9874650, 10532960, 11191270, 12639552, 13166200, 13429524, 15799440, 16786905, 16852736, 17906032, 19749300, 21065920, 22382540, 25279104, 26332400, 26859048, 27978175, 31598880, 33573810, 35812064, 39498600, 42131840, 44765080, 50558208, 52664800, 53718096, 55956350, 63197760, 67147620, 71624128, 78997200, 83934525, 84263680, 89530160, 105329600, 107436192, 111912700, 126395520, 134295240, 143248256, 157994400, 167869050, 179060320, 210659200, 214872384, 223825400, 252791040, 268590480, 286496512, 315988800, 335738100, 358120640, 421318400, 429744768, 447650800, 537180960, 631977600, 671476200, 716241280, 859489536, 895301600, 1074361920, 1263955200, 1342952400, 1432482560, 1790603200, 2148723840, 2685904800, 3581206400, 4297447680, 5371809600, 7162412800, 10743619200, 21487238400]

約数ペア:

[(1, 21487238400), (2, 10743619200), (3, 7162412800), (4, 5371809600), (5, 4297447680), (6, 3581206400), (8, 2685904800), (10, 2148723840), (12, 1790603200), (15, 1432482560), (16, 1342952400), (17, 1263955200), (20, 1074361920), (24, 895301600), (25, 859489536), (30, 716241280), (32, 671476200), (34, 631977600), (40, 537180960), (48, 447650800), (50, 429744768), (51, 421318400), (60, 358120640), (64, 335738100), (68, 315988800), (75, 286496512), (80, 268590480), (85, 252791040), (96, 223825400), (100, 214872384), (102, 210659200), (120, 179060320), (128, 167869050), (136, 157994400), (150, 143248256), (160, 134295240), (170, 126395520), (192, 111912700), (200, 107436192), (204, 105329600), (240, 89530160), (255, 84263680), (256, 83934525), (272, 78997200), (300, 71624128), (320, 67147620), (340, 63197760), (384, 55956350), (400, 53718096), (408, 52664800), (425, 50558208), (480, 44765080), (510, 42131840), (544, 39498600), (600, 35812064), (640, 33573810), (680, 31598880), (768, 27978175), (800, 26859048), (816, 26332400), (850, 25279104), (960, 22382540), (1020, 21065920), (1088, 19749300), (1200, 17906032), (1275, 16852736), (1280, 16786905), (1360, 15799440), (1600, 13429524), (1632, 13166200), (1700, 12639552), (1920, 11191270), (2040, 10532960), (2176, 9874650), (2400, 8953016), (2550, 8426368), (2720, 7899720), (3200, 6714762), (3264, 6583100), (3400, 6319776), (3840, 5595635), (4080, 5266480), (4352, 4937325), (4800, 4476508), (5100, 4213184), (5440, 3949860), (6400, 3357381), (6528, 3291550), (6800, 3159888), (8160, 2633240), (9600, 2238254), (10200, 2106592), (10880, 1974930), (13056, 1645775), (13600, 1579944), (16320, 1316620), (19200, 1119127), (20400, 1053296), (21760, 987465), (27200, 789972), (32640, 658310), (40800, 526648), (54400, 394986), (65280, 329155), (65831, 326400), (81600, 263324), (108800, 197493), (131662, 163200)]