21445256

素因数分解:

$2^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1307}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 46146240

約数和(自身を除く): 24700984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 293, 586, 1172, 1307, 2051, 2344, 2614, 4102, 5228, 8204, 9149, 10456, 16408, 18298, 36596, 73192, 382951, 765902, 1531804, 2680657, 3063608, 5361314, 10722628, 21445256]

約数ペア:

[(1, 21445256), (2, 10722628), (4, 5361314), (7, 3063608), (8, 2680657), (14, 1531804), (28, 765902), (56, 382951), (293, 73192), (586, 36596), (1172, 18298), (1307, 16408), (2051, 10456), (2344, 9149), (2614, 8204), (4102, 5228)]