21280662755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9437101}}^1$

素因数の和:9437158

約数の個数: 16

約数和(自身を含む): 28537796448

約数和(自身を除く): 7257133693

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9437101, 47185505, 103808111, 386921141, 519040555, 1934605705, 4256132551, 21280662755]

約数ペア:

[(1, 21280662755), (5, 4256132551), (11, 1934605705), (41, 519040555), (55, 386921141), (205, 103808111), (451, 47185505), (2255, 9437101)]