21369016

素因数分解:

$2^3\times {\mathrm{1193}}^1\times {\mathrm{2239}}^1$

素因数の和:3438

約数の個数: 16

約数和(自身を含む): 40118400

約数和(自身を除く): 18749384

約数列:

[1, 2, 4, 8, 1193, 2239, 2386, 4478, 4772, 8956, 9544, 17912, 2671127, 5342254, 10684508, 21369016]

約数ペア:

[(1, 21369016), (2, 10684508), (4, 5342254), (8, 2671127), (1193, 17912), (2239, 9544), (2386, 8956), (4478, 4772)]