21826321920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72871}}^1$

素因数の和:72913

約数の個数: 240

約数和(自身を含む): 81406477152

約数和(自身を除く): 59580155232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 512, 520, 576, 585, 624, 640, 720, 768, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1536, 1560, 1664, 1872, 1920, 2080, 2304, 2340, 2496, 2560, 2880, 3120, 3328, 3744, 3840, 4160, 4608, 4680, 4992, 5760, 6240, 6656, 7488, 7680, 8320, 9360, 9984, 11520, 12480, 14976, 16640, 18720, 19968, 23040, 24960, 29952, 33280, 37440, 49920, 59904, 72871, 74880, 99840, 145742, 149760, 218613, 291484, 299520, 364355, 437226, 582968, 655839, 728710, 874452, 947323, 1093065, 1165936, 1311678, 1457420, 1748904, 1894646, 2186130, 2331872, 2623356, 2841969, 2914840, 3279195, 3497808, 3789292, 4372260, 4663744, 4736615, 5246712, 5683938, 5829680, 6558390, 6995616, 7578584, 8525907, 8744520, 9327488, 9473230, 10493424, 11367876, 11659360, 13116780, 13991232, 14209845, 15157168, 17051814, 17489040, 18654976, 18946460, 20986848, 22735752, 23318720, 26233560, 27982464, 28419690, 30314336, 34103628, 34978080, 37309952, 37892920, 41973696, 42629535, 45471504, 46637440, 52467120, 55964928, 56839380, 60628672, 68207256, 69956160, 75785840, 83947392, 85259070, 90943008, 93274880, 104934240, 111929856, 113678760, 121257344, 136414512, 139912320, 151571680, 167894784, 170518140, 181886016, 186549760, 209868480, 227357520, 242514688, 272829024, 279824640, 303143360, 335789568, 341036280, 363772032, 419736960, 454715040, 485029376, 545658048, 559649280, 606286720, 682072560, 727544064, 839473920, 909430080, 1091316096, 1212573440, 1364145120, 1455088128, 1678947840, 1818860160, 2182632192, 2425146880, 2728290240, 3637720320, 4365264384, 5456580480, 7275440640, 10913160960, 21826321920]

約数ペア:

[(1, 21826321920), (2, 10913160960), (3, 7275440640), (4, 5456580480), (5, 4365264384), (6, 3637720320), (8, 2728290240), (9, 2425146880), (10, 2182632192), (12, 1818860160), (13, 1678947840), (15, 1455088128), (16, 1364145120), (18, 1212573440), (20, 1091316096), (24, 909430080), (26, 839473920), (30, 727544064), (32, 682072560), (36, 606286720), (39, 559649280), (40, 545658048), (45, 485029376), (48, 454715040), (52, 419736960), (60, 363772032), (64, 341036280), (65, 335789568), (72, 303143360), (78, 279824640), (80, 272829024), (90, 242514688), (96, 227357520), (104, 209868480), (117, 186549760), (120, 181886016), (128, 170518140), (130, 167894784), (144, 151571680), (156, 139912320), (160, 136414512), (180, 121257344), (192, 113678760), (195, 111929856), (208, 104934240), (234, 93274880), (240, 90943008), (256, 85259070), (260, 83947392), (288, 75785840), (312, 69956160), (320, 68207256), (360, 60628672), (384, 56839380), (390, 55964928), (416, 52467120), (468, 46637440), (480, 45471504), (512, 42629535), (520, 41973696), (576, 37892920), (585, 37309952), (624, 34978080), (640, 34103628), (720, 30314336), (768, 28419690), (780, 27982464), (832, 26233560), (936, 23318720), (960, 22735752), (1040, 20986848), (1152, 18946460), (1170, 18654976), (1248, 17489040), (1280, 17051814), (1440, 15157168), (1536, 14209845), (1560, 13991232), (1664, 13116780), (1872, 11659360), (1920, 11367876), (2080, 10493424), (2304, 9473230), (2340, 9327488), (2496, 8744520), (2560, 8525907), (2880, 7578584), (3120, 6995616), (3328, 6558390), (3744, 5829680), (3840, 5683938), (4160, 5246712), (4608, 4736615), (4680, 4663744), (4992, 4372260), (5760, 3789292), (6240, 3497808), (6656, 3279195), (7488, 2914840), (7680, 2841969), (8320, 2623356), (9360, 2331872), (9984, 2186130), (11520, 1894646), (12480, 1748904), (14976, 1457420), (16640, 1311678), (18720, 1165936), (19968, 1093065), (23040, 947323), (24960, 874452), (29952, 728710), (33280, 655839), (37440, 582968), (49920, 437226), (59904, 364355), (72871, 299520), (74880, 291484), (99840, 218613), (145742, 149760)]