21025726

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{5507}}^1$

素因数の和:5615

約数の個数: 16

約数和(自身を含む): 33312384

約数和(自身を除く): 12286658

約数列:

[1, 2, 23, 46, 83, 166, 1909, 3818, 5507, 11014, 126661, 253322, 457081, 914162, 10512863, 21025726]

約数ペア:

[(1, 21025726), (2, 10512863), (23, 914162), (46, 457081), (83, 253322), (166, 126661), (1909, 11014), (3818, 5507)]