13213338621

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37012153}}^1$

素因数の和:37012180

約数の個数: 16

約数和(自身を含む): 21319000704

約数和(自身を除く): 8105662083

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 37012153, 111036459, 259085071, 629206601, 777255213, 1887619803, 4404446207, 13213338621]

約数ペア:

[(1, 13213338621), (3, 4404446207), (7, 1887619803), (17, 777255213), (21, 629206601), (51, 259085071), (119, 111036459), (357, 37012153)]