21535649

素因数分解:

${\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 1325791

約数列:

[1, 53, 59, 71, 97, 3127, 3763, 4189, 5141, 5723, 6887, 222017, 303319, 365011, 406333, 21535649]

約数ペア:

[(1, 21535649), (53, 406333), (59, 365011), (71, 303319), (97, 222017), (3127, 6887), (3763, 5723), (4189, 5141)]