21776703

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7649}}^1$

素因数の和:7738

約数の個数: 16

約数和(自身を含む): 31701600

約数和(自身を除く): 9924897

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 7649, 22947, 99437, 298311, 558377, 1675131, 7258901, 21776703]

約数ペア:

[(1, 21776703), (3, 7258901), (13, 1675131), (39, 558377), (73, 298311), (219, 99437), (949, 22947), (2847, 7649)]