21626036

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 38540040

約数和(自身を除く): 16914004

約数列:

[1, 2, 4, 109, 193, 218, 257, 386, 436, 514, 772, 1028, 21037, 28013, 42074, 49601, 56026, 84148, 99202, 112052, 198404, 5406509, 10813018, 21626036]

約数ペア:

[(1, 21626036), (2, 10813018), (4, 5406509), (109, 198404), (193, 112052), (218, 99202), (257, 84148), (386, 56026), (436, 49601), (514, 42074), (772, 28013), (1028, 21037)]