2021808943

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197423}}^1$

素因数の和:197467

約数の個数: 24

約数和(自身を含む): 2700760320

約数和(自身を除く): 678951377

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 10241, 197423, 1381961, 2171653, 3751037, 9673727, 15201571, 26257259, 41261407, 106410997, 183800813, 288829849, 2021808943]

約数ペア:

[(1, 2021808943), (7, 288829849), (11, 183800813), (19, 106410997), (49, 41261407), (77, 26257259), (133, 15201571), (209, 9673727), (539, 3751037), (931, 2171653), (1463, 1381961), (10241, 197423)]