21740210

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{21107}}^1$

素因数の和:21217

約数の個数: 16

約数和(自身を含む): 39514176

約数和(自身を除く): 17773966

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 21107, 42214, 105535, 211070, 2174021, 4348042, 10870105, 21740210]

約数ペア:

[(1, 21740210), (2, 10870105), (5, 4348042), (10, 2174021), (103, 211070), (206, 105535), (515, 42214), (1030, 21107)]