21607335

素因数分解:

$3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1913}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 37621584

約数和(自身を除く): 16014249

約数列:

[1, 3, 5, 9, 15, 45, 251, 753, 1255, 1913, 2259, 3765, 5739, 9565, 11295, 17217, 28695, 86085, 480163, 1440489, 2400815, 4321467, 7202445, 21607335]

約数ペア:

[(1, 21607335), (3, 7202445), (5, 4321467), (9, 2400815), (15, 1440489), (45, 480163), (251, 86085), (753, 28695), (1255, 17217), (1913, 11295), (2259, 9565), (3765, 5739)]