21525014

素因数分解:

$2^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1399}}^1$

素因数の和:1572

約数の個数: 24

約数和(自身を含む): 37825200

約数和(自身を除く): 16300186

約数列:

[1, 2, 7, 14, 49, 98, 157, 314, 1099, 1399, 2198, 2798, 7693, 9793, 15386, 19586, 68551, 137102, 219643, 439286, 1537501, 3075002, 10762507, 21525014]

約数ペア:

[(1, 21525014), (2, 10762507), (7, 3075002), (14, 1537501), (49, 439286), (98, 219643), (157, 137102), (314, 68551), (1099, 19586), (1399, 15386), (2198, 9793), (2798, 7693)]