21847728

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{1327}}^1$

素因数の和:1359

約数の個数: 80

約数和(自身を含む): 65868800

約数和(自身を除く): 44021072

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, 1327, 1372, 2058, 2352, 2654, 2744, 3981, 4116, 5308, 5488, 7962, 8232, 9289, 10616, 15924, 16464, 18578, 21232, 27867, 31848, 37156, 55734, 63696, 65023, 74312, 111468, 130046, 148624, 195069, 222936, 260092, 390138, 445872, 455161, 520184, 780276, 910322, 1040368, 1365483, 1560552, 1820644, 2730966, 3121104, 3641288, 5461932, 7282576, 10923864, 21847728]

約数ペア:

[(1, 21847728), (2, 10923864), (3, 7282576), (4, 5461932), (6, 3641288), (7, 3121104), (8, 2730966), (12, 1820644), (14, 1560552), (16, 1365483), (21, 1040368), (24, 910322), (28, 780276), (42, 520184), (48, 455161), (49, 445872), (56, 390138), (84, 260092), (98, 222936), (112, 195069), (147, 148624), (168, 130046), (196, 111468), (294, 74312), (336, 65023), (343, 63696), (392, 55734), (588, 37156), (686, 31848), (784, 27867), (1029, 21232), (1176, 18578), (1327, 16464), (1372, 15924), (2058, 10616), (2352, 9289), (2654, 8232), (2744, 7962), (3981, 5488), (4116, 5308)]