21495378

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{210739}}^1$

素因数の和:210761

約数の個数: 16

約数和(自身を含む): 45519840

約数和(自身を除く): 24024462

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 210739, 421478, 632217, 1264434, 3582563, 7165126, 10747689, 21495378]

約数ペア:

[(1, 21495378), (2, 10747689), (3, 7165126), (6, 3582563), (17, 1264434), (34, 632217), (51, 421478), (102, 210739)]