21694850

素因数分解:

$2^1\times 5^2\times {\mathrm{269}}^1\times {\mathrm{1613}}^1$

素因数の和:1894

約数の個数: 24

約数和(自身を含む): 40527540

約数和(自身を除く): 18832690

約数列:

[1, 2, 5, 10, 25, 50, 269, 538, 1345, 1613, 2690, 3226, 6725, 8065, 13450, 16130, 40325, 80650, 433897, 867794, 2169485, 4338970, 10847425, 21694850]

約数ペア:

[(1, 21694850), (2, 10847425), (5, 4338970), (10, 2169485), (25, 867794), (50, 433897), (269, 80650), (538, 40325), (1345, 16130), (1613, 13450), (2690, 8065), (3226, 6725)]