21746306

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4139}}^1$

素因数の和:4249

約数の個数: 16

約数和(自身を含む): 33981120

約数和(自身を除く): 12234814

約数列:

[1, 2, 37, 71, 74, 142, 2627, 4139, 5254, 8278, 153143, 293869, 306286, 587738, 10873153, 21746306]

約数ペア:

[(1, 21746306), (2, 10873153), (37, 587738), (71, 306286), (74, 293869), (142, 153143), (2627, 8278), (4139, 5254)]