21897232

素因数分解:

$2^4\times 7^1\times {\mathrm{195511}}^1$

素因数の和:195526

約数の個数: 20

約数和(自身を含む): 48486976

約数和(自身を除く): 26589744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195511, 391022, 782044, 1368577, 1564088, 2737154, 3128176, 5474308, 10948616, 21897232]

約数ペア:

[(1, 21897232), (2, 10948616), (4, 5474308), (7, 3128176), (8, 2737154), (14, 1564088), (16, 1368577), (28, 782044), (56, 391022), (112, 195511)]