21738393

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3023}}^1$

素因数の和:3093

約数の個数: 24

約数和(自身を含む): 33965568

約数和(自身を除く): 12227175

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 3023, 7191, 9069, 27207, 51391, 142081, 154173, 426243, 462519, 1278729, 2415377, 7246131, 21738393]

約数ペア:

[(1, 21738393), (3, 7246131), (9, 2415377), (17, 1278729), (47, 462519), (51, 426243), (141, 154173), (153, 142081), (423, 51391), (799, 27207), (2397, 9069), (3023, 7191)]