2107870

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2087}}^1$

素因数の和:2195

約数の個数: 16

約数和(自身を含む): 3833568

約数和(自身を除く): 1725698

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 2087, 4174, 10435, 20870, 210787, 421574, 1053935, 2107870]

約数ペア:

[(1, 2107870), (2, 1053935), (5, 421574), (10, 210787), (101, 20870), (202, 10435), (505, 4174), (1010, 2087)]