21989152993

素因数分解:

${\mathrm{43}}^2\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{631}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 23085271296

約数和(自身を除く): 1096118303

約数列:

[1, 43, 47, 401, 631, 1849, 2021, 17243, 18847, 27133, 29657, 86903, 253031, 741449, 810421, 1166719, 1275251, 10880333, 11892457, 34848103, 54835793, 467854319, 511375651, 21989152993]

約数ペア:

[(1, 21989152993), (43, 511375651), (47, 467854319), (401, 54835793), (631, 34848103), (1849, 11892457), (2021, 10880333), (17243, 1275251), (18847, 1166719), (27133, 810421), (29657, 741449), (86903, 253031)]