21194024

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{4133}}^1$

素因数の和:4780

約数の個数: 16

約数和(自身を含む): 39810420

約数和(自身を除く): 18616396

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 4133, 5128, 8266, 16532, 33064, 2649253, 5298506, 10597012, 21194024]

約数ペア:

[(1, 21194024), (2, 10597012), (4, 5298506), (8, 2649253), (641, 33064), (1282, 16532), (2564, 8266), (4133, 5128)]