21150052

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68669}}^1$

素因数の和:68691

約数の個数: 24

約数和(自身を含む): 46146240

約数和(自身を除く): 24996188

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68669, 137338, 274676, 480683, 755359, 961366, 1510718, 1922732, 3021436, 5287513, 10575026, 21150052]

約数ペア:

[(1, 21150052), (2, 10575026), (4, 5287513), (7, 3021436), (11, 1922732), (14, 1510718), (22, 961366), (28, 755359), (44, 480683), (77, 274676), (154, 137338), (308, 68669)]