21168109655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4998373}}^1$

素因数の和:4998407

約数の個数: 24

約数和(自身を含む): 31909619616

約数和(自身を除く): 10741509961

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 4998373, 24991865, 34988611, 54982103, 174943055, 274910515, 384874721, 604803133, 1924373605, 3024015665, 4233621931, 21168109655]

約数ペア:

[(1, 21168109655), (5, 4233621931), (7, 3024015665), (11, 1924373605), (35, 604803133), (55, 384874721), (77, 274910515), (121, 174943055), (385, 54982103), (605, 34988611), (847, 24991865), (4235, 4998373)]