21325010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{304643}}^1$

素因数の和:304657

約数の個数: 16

約数和(自身を含む): 43868736

約数和(自身を除く): 22543726

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 304643, 609286, 1523215, 2132501, 3046430, 4265002, 10662505, 21325010]

約数ペア:

[(1, 21325010), (2, 10662505), (5, 4265002), (7, 3046430), (10, 2132501), (14, 1523215), (35, 609286), (70, 304643)]