2021284153021

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{72936317}}^1$

素因数の和:72936468

約数の個数: 16

約数和(自身を含む): 2394645192576

約数和(自身を除く): 373361039555

約数列:

[1, 7, 37, 107, 259, 749, 3959, 27713, 72936317, 510554219, 2698643729, 7804185919, 18890506103, 54629301433, 288754879003, 2021284153021]

約数ペア:

[(1, 2021284153021), (7, 288754879003), (37, 54629301433), (107, 18890506103), (259, 7804185919), (749, 2698643729), (3959, 510554219), (27713, 72936317)]