21842492

素因数分解:

$2^2\times 7^1\times {\mathrm{829}}^1\times {\mathrm{941}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 43784160

約数和(自身を除く): 21941668

約数列:

[1, 2, 4, 7, 14, 28, 829, 941, 1658, 1882, 3316, 3764, 5803, 6587, 11606, 13174, 23212, 26348, 780089, 1560178, 3120356, 5460623, 10921246, 21842492]

約数ペア:

[(1, 21842492), (2, 10921246), (4, 5460623), (7, 3120356), (14, 1560178), (28, 780089), (829, 26348), (941, 23212), (1658, 13174), (1882, 11606), (3316, 6587), (3764, 5803)]