21969262

素因数分解:

$2^1\times 7^1\times {\mathrm{1153}}^1\times {\mathrm{1361}}^1$

素因数の和:2523

約数の個数: 16

約数和(自身を含む): 37721952

約数和(自身を除く): 15752690

約数列:

[1, 2, 7, 14, 1153, 1361, 2306, 2722, 8071, 9527, 16142, 19054, 1569233, 3138466, 10984631, 21969262]

約数ペア:

[(1, 21969262), (2, 10984631), (7, 3138466), (14, 1569233), (1153, 19054), (1361, 16142), (2306, 9527), (2722, 8071)]