21297237

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14759}}^1$

素因数の和:14812

約数の個数: 16

約数和(自身を含む): 31409280

約数和(自身を除く): 10112043

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 14759, 44277, 191867, 546083, 575601, 1638249, 7099079, 21297237]

約数ペア:

[(1, 21297237), (3, 7099079), (13, 1638249), (37, 575601), (39, 546083), (111, 191867), (481, 44277), (1443, 14759)]