21171010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{302443}}^1$

素因数の和:302457

約数の個数: 16

約数和(自身を含む): 43551936

約数和(自身を除く): 22380926

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 302443, 604886, 1512215, 2117101, 3024430, 4234202, 10585505, 21171010]

約数ペア:

[(1, 21171010), (2, 10585505), (5, 4234202), (7, 3024430), (10, 2117101), (14, 1512215), (35, 604886), (70, 302443)]