21716016

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{1319}}^1$

素因数の和:1351

約数の個数: 80

約数和(自身を含む): 65472000

約数和(自身を除く): 43755984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 343, 392, 588, 686, 784, 1029, 1176, 1319, 1372, 2058, 2352, 2638, 2744, 3957, 4116, 5276, 5488, 7914, 8232, 9233, 10552, 15828, 16464, 18466, 21104, 27699, 31656, 36932, 55398, 63312, 64631, 73864, 110796, 129262, 147728, 193893, 221592, 258524, 387786, 443184, 452417, 517048, 775572, 904834, 1034096, 1357251, 1551144, 1809668, 2714502, 3102288, 3619336, 5429004, 7238672, 10858008, 21716016]

約数ペア:

[(1, 21716016), (2, 10858008), (3, 7238672), (4, 5429004), (6, 3619336), (7, 3102288), (8, 2714502), (12, 1809668), (14, 1551144), (16, 1357251), (21, 1034096), (24, 904834), (28, 775572), (42, 517048), (48, 452417), (49, 443184), (56, 387786), (84, 258524), (98, 221592), (112, 193893), (147, 147728), (168, 129262), (196, 110796), (294, 73864), (336, 64631), (343, 63312), (392, 55398), (588, 36932), (686, 31656), (784, 27699), (1029, 21104), (1176, 18466), (1319, 16464), (1372, 15828), (2058, 10552), (2352, 9233), (2638, 8232), (2744, 7914), (3957, 5488), (4116, 5276)]