21208938

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{75209}}^1$

素因数の和:75261

約数の個数: 16

約数和(自身を含む): 43320960

約数和(自身を除く): 22112022

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 75209, 150418, 225627, 451254, 3534823, 7069646, 10604469, 21208938]

約数ペア:

[(1, 21208938), (2, 10604469), (3, 7069646), (6, 3534823), (47, 451254), (94, 225627), (141, 150418), (282, 75209)]