21311026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8887}}^1$

素因数の和:9009

約数の個数: 16

約数和(自身を含む): 35196480

約数和(自身を除く): 13885454

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8887, 17774, 97757, 195514, 968683, 1937366, 10655513, 21311026]

約数ペア:

[(1, 21311026), (2, 10655513), (11, 1937366), (22, 968683), (109, 195514), (218, 97757), (1199, 17774), (2398, 8887)]