21855669

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5861}}^1$

素因数の和:5988

約数の個数: 16

約数和(自身を含む): 32076864

約数和(自身を除く): 10221195

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5861, 17583, 64471, 193413, 662293, 1986879, 7285223, 21855669]

約数ペア:

[(1, 21855669), (3, 7285223), (11, 1986879), (33, 662293), (113, 193413), (339, 64471), (1243, 17583), (3729, 5861)]