21018021293

素因数分解:

${\mathrm{19}}^1\times {\mathrm{3761}}^1\times {\mathrm{294127}}^1$

素因数の和:297907

約数の個数: 8

約数和(自身を含む): 22130190720

約数和(自身を除く): 1112169427

約数列:

[1, 19, 3761, 71459, 294127, 5588413, 1106211647, 21018021293]

約数ペア:

[(1, 21018021293), (19, 1106211647), (3761, 5588413), (71459, 294127)]