21816526397

素因数分解:

${\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{643}}^1\times {\mathrm{4561}}^1$

素因数の和:5420

約数の個数: 16

約数和(自身を含む): 22492776768

約数和(自身を除く): 676250371

約数列:

[1, 43, 173, 643, 4561, 7439, 27649, 111239, 196123, 789053, 2932723, 4783277, 33929279, 126107089, 507361079, 21816526397]

約数ペア:

[(1, 21816526397), (43, 507361079), (173, 126107089), (643, 33929279), (4561, 4783277), (7439, 2932723), (27649, 789053), (111239, 196123)]