21300911427

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{7193}}^1\times {\mathrm{13903}}^1$

素因数の和:21170

約数の個数: 16

約数和(自身を含む): 28807308288

約数和(自身を除く): 7506396861

約数列:

[1, 3, 71, 213, 7193, 13903, 21579, 41709, 510703, 987113, 1532109, 2961339, 100004279, 300012837, 7100303809, 21300911427]

約数ペア:

[(1, 21300911427), (3, 7100303809), (71, 300012837), (213, 100004279), (7193, 2961339), (13903, 1532109), (21579, 987113), (41709, 510703)]