21000962880

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{39847}}^1$

素因数の和:39934

約数の個数: 224

約数和(自身を含む): 75303156480

約数和(自身を除く): 54302193600

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, 61, 64, 72, 80, 90, 96, 108, 120, 122, 135, 144, 160, 180, 183, 192, 216, 240, 244, 270, 288, 305, 320, 360, 366, 432, 480, 488, 540, 549, 576, 610, 720, 732, 864, 915, 960, 976, 1080, 1098, 1220, 1440, 1464, 1647, 1728, 1830, 1952, 2160, 2196, 2440, 2745, 2880, 2928, 3294, 3660, 3904, 4320, 4392, 4880, 5490, 5856, 6588, 7320, 8235, 8640, 8784, 9760, 10980, 11712, 13176, 14640, 16470, 17568, 19520, 21960, 26352, 29280, 32940, 35136, 39847, 43920, 52704, 58560, 65880, 79694, 87840, 105408, 119541, 131760, 159388, 175680, 199235, 239082, 263520, 318776, 358623, 398470, 478164, 527040, 597705, 637552, 717246, 796940, 956328, 1075869, 1195410, 1275104, 1434492, 1593880, 1793115, 1912656, 2151738, 2390820, 2430667, 2550208, 2868984, 3187760, 3586230, 3825312, 4303476, 4781640, 4861334, 5379345, 5737968, 6375520, 7172460, 7292001, 7650624, 8606952, 9563280, 9722668, 10758690, 11475936, 12153335, 12751040, 14344920, 14584002, 17213904, 19126560, 19445336, 21517380, 21876003, 22951872, 24306670, 28689840, 29168004, 34427808, 36460005, 38253120, 38890672, 43034760, 43752006, 48613340, 57379680, 58336008, 65628009, 68855616, 72920010, 77781344, 86069520, 87504012, 97226680, 109380015, 114759360, 116672016, 131256018, 145840020, 155562688, 172139040, 175008024, 194453360, 218760030, 233344032, 262512036, 291680040, 328140045, 344278080, 350016048, 388906720, 437520060, 466688064, 525024072, 583360080, 656280090, 700032096, 777813440, 875040120, 1050048144, 1166720160, 1312560180, 1400064192, 1750080240, 2100096288, 2333440320, 2625120360, 3500160480, 4200192576, 5250240720, 7000320960, 10500481440, 21000962880]

約数ペア:

[(1, 21000962880), (2, 10500481440), (3, 7000320960), (4, 5250240720), (5, 4200192576), (6, 3500160480), (8, 2625120360), (9, 2333440320), (10, 2100096288), (12, 1750080240), (15, 1400064192), (16, 1312560180), (18, 1166720160), (20, 1050048144), (24, 875040120), (27, 777813440), (30, 700032096), (32, 656280090), (36, 583360080), (40, 525024072), (45, 466688064), (48, 437520060), (54, 388906720), (60, 350016048), (61, 344278080), (64, 328140045), (72, 291680040), (80, 262512036), (90, 233344032), (96, 218760030), (108, 194453360), (120, 175008024), (122, 172139040), (135, 155562688), (144, 145840020), (160, 131256018), (180, 116672016), (183, 114759360), (192, 109380015), (216, 97226680), (240, 87504012), (244, 86069520), (270, 77781344), (288, 72920010), (305, 68855616), (320, 65628009), (360, 58336008), (366, 57379680), (432, 48613340), (480, 43752006), (488, 43034760), (540, 38890672), (549, 38253120), (576, 36460005), (610, 34427808), (720, 29168004), (732, 28689840), (864, 24306670), (915, 22951872), (960, 21876003), (976, 21517380), (1080, 19445336), (1098, 19126560), (1220, 17213904), (1440, 14584002), (1464, 14344920), (1647, 12751040), (1728, 12153335), (1830, 11475936), (1952, 10758690), (2160, 9722668), (2196, 9563280), (2440, 8606952), (2745, 7650624), (2880, 7292001), (2928, 7172460), (3294, 6375520), (3660, 5737968), (3904, 5379345), (4320, 4861334), (4392, 4781640), (4880, 4303476), (5490, 3825312), (5856, 3586230), (6588, 3187760), (7320, 2868984), (8235, 2550208), (8640, 2430667), (8784, 2390820), (9760, 2151738), (10980, 1912656), (11712, 1793115), (13176, 1593880), (14640, 1434492), (16470, 1275104), (17568, 1195410), (19520, 1075869), (21960, 956328), (26352, 796940), (29280, 717246), (32940, 637552), (35136, 597705), (39847, 527040), (43920, 478164), (52704, 398470), (58560, 358623), (65880, 318776), (79694, 263520), (87840, 239082), (105408, 199235), (119541, 175680), (131760, 159388)]