21407398138

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{5291003}}^1$

素因数の和:5291046

約数の個数: 24

約数和(自身を含む): 38984117472

約数和(自身を除く): 17576719334

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 578, 2023, 4046, 5291003, 10582006, 37037021, 74074042, 89947051, 179894102, 629629357, 1259258714, 1529099867, 3058199734, 10703699069, 21407398138]

約数ペア:

[(1, 21407398138), (2, 10703699069), (7, 3058199734), (14, 1529099867), (17, 1259258714), (34, 629629357), (119, 179894102), (238, 89947051), (289, 74074042), (578, 37037021), (2023, 10582006), (4046, 5291003)]