21879957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{14107}}^1$

素因数の和:14168

約数の個数: 16

約数和(自身を含む): 32504832

約数和(自身を除く): 10624875

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 14107, 42321, 155177, 465531, 663029, 1989087, 7293319, 21879957]

約数ペア:

[(1, 21879957), (3, 7293319), (11, 1989087), (33, 663029), (47, 465531), (141, 155177), (517, 42321), (1551, 14107)]