21453404

素因数分解:

$2^2\times 7^1\times {\mathrm{701}}^1\times {\mathrm{1093}}^1$

素因数の和:1805

約数の個数: 24

約数和(自身を含む): 43007328

約数和(自身を除く): 21553924

約数列:

[1, 2, 4, 7, 14, 28, 701, 1093, 1402, 2186, 2804, 4372, 4907, 7651, 9814, 15302, 19628, 30604, 766193, 1532386, 3064772, 5363351, 10726702, 21453404]

約数ペア:

[(1, 21453404), (2, 10726702), (4, 5363351), (7, 3064772), (14, 1532386), (28, 766193), (701, 30604), (1093, 19628), (1402, 15302), (2186, 9814), (2804, 7651), (4372, 4907)]