21000891306

素因数分解:

$2^1\times 3^1\times {\mathrm{82339}}^1\times {\mathrm{42509}}^1$

素因数の和:124853

約数の個数: 16

約数和(自身を含む): 42003280800

約数和(自身を除く): 21002389494

約数列:

[1, 2, 3, 6, 42509, 82339, 85018, 127527, 164678, 247017, 255054, 494034, 3500148551, 7000297102, 10500445653, 21000891306]

約数ペア:

[(1, 21000891306), (2, 10500445653), (3, 7000297102), (6, 3500148551), (42509, 494034), (82339, 255054), (85018, 247017), (127527, 164678)]