21731912

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4877}}^1$

素因数の和:5440

約数の個数: 16

約数和(自身を含む): 40828860

約数和(自身を除く): 19096948

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4877, 9754, 19508, 39016, 2716489, 5432978, 10865956, 21731912]

約数ペア:

[(1, 21731912), (2, 10865956), (4, 5432978), (8, 2716489), (557, 39016), (1114, 19508), (2228, 9754), (4456, 4877)]