21388158003

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{4457}}^1\times {\mathrm{30181}}^1$

素因数の和:34694

約数の個数: 16

約数和(自身を含む): 29063092896

約数和(自身を除く): 7674934893

約数列:

[1, 3, 53, 159, 4457, 13371, 30181, 90543, 236221, 708663, 1599593, 4798779, 134516717, 403550151, 7129386001, 21388158003]

約数ペア:

[(1, 21388158003), (3, 7129386001), (53, 403550151), (159, 134516717), (4457, 4798779), (13371, 1599593), (30181, 708663), (90543, 236221)]