2021081951

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{34549}}^1$

素因数の和:34754

約数の個数: 16

約数和(自身を含む): 2364878400

約数和(自身を除く): 343796449

約数列:

[1, 7, 61, 137, 427, 959, 8357, 34549, 58499, 241843, 2107489, 4733213, 14752423, 33132491, 288725993, 2021081951]

約数ペア:

[(1, 2021081951), (7, 288725993), (61, 33132491), (137, 14752423), (427, 4733213), (959, 2107489), (8357, 241843), (34549, 58499)]