21551398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{877}}^1\times {\mathrm{1117}}^1$

素因数の和:2007

約数の個数: 16

約数和(自身を含む): 35337744

約数和(自身を除く): 13786346

約数列:

[1, 2, 11, 22, 877, 1117, 1754, 2234, 9647, 12287, 19294, 24574, 979609, 1959218, 10775699, 21551398]

約数ペア:

[(1, 21551398), (2, 10775699), (11, 1959218), (22, 979609), (877, 24574), (1117, 19294), (1754, 12287), (2234, 9647)]