21810585

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30937}}^1$

素因数の和:30992

約数の個数: 16

約数和(自身を含む): 35640576

約数和(自身を除く): 13829991

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 30937, 92811, 154685, 464055, 1454039, 4362117, 7270195, 21810585]

約数ペア:

[(1, 21810585), (3, 7270195), (5, 4362117), (15, 1454039), (47, 464055), (141, 154685), (235, 92811), (705, 30937)]