21890066

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43261}}^1$

素因数の和:43297

約数の個数: 16

約数和(自身を含む): 37378368

約数和(自身を除く): 15488302

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 43261, 86522, 475871, 951742, 995003, 1990006, 10945033, 21890066]

約数ペア:

[(1, 21890066), (2, 10945033), (11, 1990006), (22, 995003), (23, 951742), (46, 475871), (253, 86522), (506, 43261)]