21221976787

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1415459}}^1$

素因数の和:1415546

約数の個数: 16

約数和(自身を含む): 24459148800

約数和(自身を除く): 3237172013

約数列:

[1, 11, 29, 47, 319, 517, 1363, 14993, 1415459, 15570049, 41048311, 66526573, 451531421, 731792303, 1929270617, 21221976787]

約数ペア:

[(1, 21221976787), (11, 1929270617), (29, 731792303), (47, 451531421), (319, 66526573), (517, 41048311), (1363, 15570049), (14993, 1415459)]