21828976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{104947}}^1$

素因数の和:104968

約数の個数: 20

約数和(自身を含む): 45547432

約数和(自身を除く): 23718456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 104947, 209894, 419788, 839576, 1364311, 1679152, 2728622, 5457244, 10914488, 21828976]

約数ペア:

[(1, 21828976), (2, 10914488), (4, 5457244), (8, 2728622), (13, 1679152), (16, 1364311), (26, 839576), (52, 419788), (104, 209894), (208, 104947)]