21050834

素因数分解:

$2^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{5351}}^1$

素因数の和:5641

約数の個数: 16

約数和(自身を含む): 36222336

約数和(自身を除く): 15171502

約数列:

[1, 2, 7, 14, 281, 562, 1967, 3934, 5351, 10702, 37457, 74914, 1503631, 3007262, 10525417, 21050834]

約数ペア:

[(1, 21050834), (2, 10525417), (7, 3007262), (14, 1503631), (281, 74914), (562, 37457), (1967, 10702), (3934, 5351)]