21251426546

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1857967}}^1$

素因数の和:1858038

約数の個数: 32

約数和(自身を含む): 39240284160

約数和(自身を除く): 17988857614

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 1634, 5719, 11438, 1857967, 3715934, 13005769, 26011538, 35301373, 70602746, 79892581, 159785162, 247109611, 494219222, 559248067, 1118496134, 1517959039, 3035918078, 10625713273, 21251426546]

約数ペア:

[(1, 21251426546), (2, 10625713273), (7, 3035918078), (14, 1517959039), (19, 1118496134), (38, 559248067), (43, 494219222), (86, 247109611), (133, 159785162), (266, 79892581), (301, 70602746), (602, 35301373), (817, 26011538), (1634, 13005769), (5719, 3715934), (11438, 1857967)]