21085638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{502039}}^1$

素因数の和:502051

約数の個数: 16

約数和(自身を含む): 48195840

約数和(自身を除く): 27110202

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 502039, 1004078, 1506117, 3012234, 3514273, 7028546, 10542819, 21085638]

約数ペア:

[(1, 21085638), (2, 10542819), (3, 7028546), (6, 3514273), (7, 3012234), (14, 1506117), (21, 1004078), (42, 502039)]