21020996887

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{4695331}}^1$

素因数の和:4695390

約数の個数: 12

約数和(自身を含む): 23730207928

約数和(自身を除く): 2709211041

約数列:

[1, 11, 37, 121, 407, 4477, 4695331, 51648641, 173727247, 568135051, 1910999717, 21020996887]

約数ペア:

[(1, 21020996887), (11, 1910999717), (37, 568135051), (121, 173727247), (407, 51648641), (4477, 4695331)]