21782303

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 23696640

約数和(自身を除く): 1914337

約数列:

[1, 19, 67, 71, 241, 1273, 1349, 4579, 4757, 16147, 17111, 90383, 306793, 325109, 1146437, 21782303]

約数ペア:

[(1, 21782303), (19, 1146437), (67, 325109), (71, 306793), (241, 90383), (1273, 17111), (1349, 16147), (4579, 4757)]