21904356

素因数分解:

$2^2\times 3^1\times {\mathrm{353}}^1\times {\mathrm{5171}}^1$

素因数の和:5531

約数の個数: 24

約数和(自身を含む): 51264864

約数和(自身を除く): 29360508

約数列:

[1, 2, 3, 4, 6, 12, 353, 706, 1059, 1412, 2118, 4236, 5171, 10342, 15513, 20684, 31026, 62052, 1825363, 3650726, 5476089, 7301452, 10952178, 21904356]

約数ペア:

[(1, 21904356), (2, 10952178), (3, 7301452), (4, 5476089), (6, 3650726), (12, 1825363), (353, 62052), (706, 31026), (1059, 20684), (1412, 15513), (2118, 10342), (4236, 5171)]