20212027

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{937}}^1$

素因数の和:1038

約数の個数: 16

約数和(自身を含む): 23097312

約数和(自身を除く): 2885285

約数列:

[1, 11, 37, 53, 407, 583, 937, 1961, 10307, 21571, 34669, 49661, 381359, 546271, 1837457, 20212027]

約数ペア:

[(1, 20212027), (11, 1837457), (37, 546271), (53, 381359), (407, 49661), (583, 34669), (937, 21571), (1961, 10307)]