21552513

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 29215296

約数和(自身を除く): 7662783

約数列:

[1, 3, 131, 173, 317, 393, 519, 951, 22663, 41527, 54841, 67989, 124581, 164523, 7184171, 21552513]

約数ペア:

[(1, 21552513), (3, 7184171), (131, 164523), (173, 124581), (317, 67989), (393, 54841), (519, 41527), (951, 22663)]