21903701

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 24261120

約数和(自身を除く): 2357419

約数列:

[1, 17, 31, 89, 467, 527, 1513, 2759, 7939, 14477, 41563, 46903, 246109, 706571, 1288453, 21903701]

約数ペア:

[(1, 21903701), (17, 1288453), (31, 706571), (89, 246109), (467, 46903), (527, 41563), (1513, 14477), (2759, 7939)]