21190233

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{547}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 29153600

約数和(自身を除く): 7963367

約数列:

[1, 3, 37, 111, 349, 547, 1047, 1641, 12913, 20239, 38739, 60717, 190903, 572709, 7063411, 21190233]

約数ペア:

[(1, 21190233), (3, 7063411), (37, 572709), (111, 190903), (349, 60717), (547, 38739), (1047, 20239), (1641, 12913)]