21000497014

素因数分解:

$2^1\times 7^1\times {\mathrm{1279}}^1\times {\mathrm{1172819}}^1$

素因数の和:1174107

約数の個数: 16

約数和(自身を含む): 36029030400

約数和(自身を除く): 15028533386

約数列:

[1, 2, 7, 14, 1279, 2558, 8953, 17906, 1172819, 2345638, 8209733, 16419466, 1500035501, 3000071002, 10500248507, 21000497014]

約数ペア:

[(1, 21000497014), (2, 10500248507), (7, 3000071002), (14, 1500035501), (1279, 16419466), (2558, 8209733), (8953, 2345638), (17906, 1172819)]