21080066

素因数分解:

$2^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4549}}^1$

素因数の和:4889

約数の個数: 16

約数和(自身を含む): 36254400

約数和(自身を除く): 15174334

約数列:

[1, 2, 7, 14, 331, 662, 2317, 4549, 4634, 9098, 31843, 63686, 1505719, 3011438, 10540033, 21080066]

約数ペア:

[(1, 21080066), (2, 10540033), (7, 3011438), (14, 1505719), (331, 63686), (662, 31843), (2317, 9098), (4549, 4634)]