21805023

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{613}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 29707776

約数和(自身を除く): 7902753

約数列:

[1, 3, 71, 167, 213, 501, 613, 1839, 11857, 35571, 43523, 102371, 130569, 307113, 7268341, 21805023]

約数ペア:

[(1, 21805023), (3, 7268341), (71, 307113), (167, 130569), (213, 102371), (501, 43523), (613, 35571), (1839, 11857)]