21066903

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16369}}^1$

素因数の和:16399

約数の個数: 24

約数和(自身を含む): 35752080

約数和(自身を除く): 14685177

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16369, 49107, 147321, 180059, 212797, 540177, 638391, 1620531, 1915173, 2340767, 7022301, 21066903]

約数ペア:

[(1, 21066903), (3, 7022301), (9, 2340767), (11, 1915173), (13, 1620531), (33, 638391), (39, 540177), (99, 212797), (117, 180059), (143, 147321), (429, 49107), (1287, 16369)]