21000676

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 37467360

約数和(自身を除く): 16466684

約数列:

[1, 2, 4, 107, 139, 214, 278, 353, 428, 556, 706, 1412, 14873, 29746, 37771, 49067, 59492, 75542, 98134, 151084, 196268, 5250169, 10500338, 21000676]

約数ペア:

[(1, 21000676), (2, 10500338), (4, 5250169), (107, 196268), (139, 151084), (214, 98134), (278, 75542), (353, 59492), (428, 49067), (556, 37771), (706, 29746), (1412, 14873)]