21000966513

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{368438009}}^1$

素因数の和:368438031

約数の個数: 8

約数和(自身を含む): 29475040800

約数和(自身を除く): 8474074287

約数列:

[1, 3, 19, 57, 368438009, 1105314027, 7000322171, 21000966513]

約数ペア:

[(1, 21000966513), (3, 7000322171), (19, 1105314027), (57, 368438009)]