21222885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83227}}^1$

素因数の和:83252

約数の個数: 16

約数和(自身を含む): 35954496

約数和(自身を除く): 14731611

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 83227, 249681, 416135, 1248405, 1414859, 4244577, 7074295, 21222885]

約数ペア:

[(1, 21222885), (3, 7074295), (5, 4244577), (15, 1414859), (17, 1248405), (51, 416135), (85, 249681), (255, 83227)]