21259227

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{701}}^1\times {\mathrm{919}}^1$

素因数の和:1634

約数の個数: 16

約数和(自身を含む): 31000320

約数和(自身を除く): 9741093

約数列:

[1, 3, 11, 33, 701, 919, 2103, 2757, 7711, 10109, 23133, 30327, 644219, 1932657, 7086409, 21259227]

約数ペア:

[(1, 21259227), (3, 7086409), (11, 1932657), (33, 644219), (701, 30327), (919, 23133), (2103, 10109), (2757, 7711)]