21509777799

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{429929}}^1$

素因数の和:430064

約数の個数: 32

約数和(自身を含む): 34050456000

約数和(自身を除く): 12540678201

約数列:

[1, 3, 9, 17, 27, 51, 109, 153, 327, 459, 981, 1853, 2943, 5559, 16677, 50031, 429929, 1289787, 3869361, 7308793, 11608083, 21926379, 46862261, 65779137, 140586783, 197337411, 421760349, 796658437, 1265281047, 2389975311, 7169925933, 21509777799]

約数ペア:

[(1, 21509777799), (3, 7169925933), (9, 2389975311), (17, 1265281047), (27, 796658437), (51, 421760349), (109, 197337411), (153, 140586783), (327, 65779137), (459, 46862261), (981, 21926379), (1853, 11608083), (2943, 7308793), (5559, 3869361), (16677, 1289787), (50031, 429929)]