21580146

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{171271}}^1$

素因数の和:171286

約数の個数: 24

約数和(自身を含む): 53436864

約数和(自身を除く): 31856718

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 171271, 342542, 513813, 1027626, 1198897, 1541439, 2397794, 3082878, 3596691, 7193382, 10790073, 21580146]

約数ペア:

[(1, 21580146), (2, 10790073), (3, 7193382), (6, 3596691), (7, 3082878), (9, 2397794), (14, 1541439), (18, 1198897), (21, 1027626), (42, 513813), (63, 342542), (126, 171271)]