21082390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{301177}}^1$

素因数の和:301191

約数の個数: 16

約数和(自身を含む): 43369632

約数和(自身を除く): 22287242

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 301177, 602354, 1505885, 2108239, 3011770, 4216478, 10541195, 21082390]

約数ペア:

[(1, 21082390), (2, 10541195), (5, 4216478), (7, 3011770), (10, 2108239), (14, 1505885), (35, 602354), (70, 301177)]