21222096

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{1289}}^1$

素因数の和:1321

約数の個数: 80

約数和(自身を含む): 63984000

約数和(自身を除く): 42761904

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, 1289, 1372, 2058, 2352, 2578, 2744, 3867, 4116, 5156, 5488, 7734, 8232, 9023, 10312, 15468, 16464, 18046, 20624, 27069, 30936, 36092, 54138, 61872, 63161, 72184, 108276, 126322, 144368, 189483, 216552, 252644, 378966, 433104, 442127, 505288, 757932, 884254, 1010576, 1326381, 1515864, 1768508, 2652762, 3031728, 3537016, 5305524, 7074032, 10611048, 21222096]

約数ペア:

[(1, 21222096), (2, 10611048), (3, 7074032), (4, 5305524), (6, 3537016), (7, 3031728), (8, 2652762), (12, 1768508), (14, 1515864), (16, 1326381), (21, 1010576), (24, 884254), (28, 757932), (42, 505288), (48, 442127), (49, 433104), (56, 378966), (84, 252644), (98, 216552), (112, 189483), (147, 144368), (168, 126322), (196, 108276), (294, 72184), (336, 63161), (343, 61872), (392, 54138), (588, 36092), (686, 30936), (784, 27069), (1029, 20624), (1176, 18046), (1289, 16464), (1372, 15468), (2058, 10312), (2352, 9023), (2578, 8232), (2744, 7734), (3867, 5488), (4116, 5156)]