21130130560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{428777}}^1$

素因数の和:428814

約数の個数: 128

約数和(自身を含む): 62978912640

約数和(自身を除く): 41848782080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 3080, 3520, 4480, 4928, 6160, 7040, 9856, 12320, 24640, 49280, 428777, 857554, 1715108, 2143885, 3001439, 3430216, 4287770, 4716547, 6002878, 6860432, 8575540, 9433094, 12005756, 13720864, 15007195, 17151080, 18866188, 23582735, 24011512, 27441728, 30014390, 33015829, 34302160, 37732376, 47165470, 48023024, 54883456, 60028780, 66031658, 68604320, 75464752, 94330940, 96046048, 120057560, 132063316, 137208640, 150929504, 165079145, 188661880, 192092096, 240115120, 264126632, 274417280, 301859008, 330158290, 377323760, 384184192, 480230240, 528253264, 603718016, 660316580, 754647520, 960460480, 1056506528, 1320633160, 1509295040, 1920920960, 2113013056, 2641266320, 3018590080, 4226026112, 5282532640, 10565065280, 21130130560]

約数ペア:

[(1, 21130130560), (2, 10565065280), (4, 5282532640), (5, 4226026112), (7, 3018590080), (8, 2641266320), (10, 2113013056), (11, 1920920960), (14, 1509295040), (16, 1320633160), (20, 1056506528), (22, 960460480), (28, 754647520), (32, 660316580), (35, 603718016), (40, 528253264), (44, 480230240), (55, 384184192), (56, 377323760), (64, 330158290), (70, 301859008), (77, 274417280), (80, 264126632), (88, 240115120), (110, 192092096), (112, 188661880), (128, 165079145), (140, 150929504), (154, 137208640), (160, 132063316), (176, 120057560), (220, 96046048), (224, 94330940), (280, 75464752), (308, 68604320), (320, 66031658), (352, 60028780), (385, 54883456), (440, 48023024), (448, 47165470), (560, 37732376), (616, 34302160), (640, 33015829), (704, 30014390), (770, 27441728), (880, 24011512), (896, 23582735), (1120, 18866188), (1232, 17151080), (1408, 15007195), (1540, 13720864), (1760, 12005756), (2240, 9433094), (2464, 8575540), (3080, 6860432), (3520, 6002878), (4480, 4716547), (4928, 4287770), (6160, 3430216), (7040, 3001439), (9856, 2143885), (12320, 1715108), (24640, 857554), (49280, 428777)]