21070084

素因数分解:

$2^2\times 7^1\times {\mathrm{752503}}^1$

素因数の和:752514

約数の個数: 12

約数和(自身を含む): 42140224

約数和(自身を除く): 21070140

約数列:

[1, 2, 4, 7, 14, 28, 752503, 1505006, 3010012, 5267521, 10535042, 21070084]

約数ペア:

[(1, 21070084), (2, 10535042), (4, 5267521), (7, 3010012), (14, 1505006), (28, 752503)]