21057232

素因数分解:

$2^4\times 7^1\times {\mathrm{188011}}^1$

素因数の和:188026

約数の個数: 20

約数和(自身を含む): 46626976

約数和(自身を除く): 25569744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188011, 376022, 752044, 1316077, 1504088, 2632154, 3008176, 5264308, 10528616, 21057232]

約数ペア:

[(1, 21057232), (2, 10528616), (4, 5264308), (7, 3008176), (8, 2632154), (14, 1504088), (16, 1316077), (28, 752044), (56, 376022), (112, 188011)]