21608185

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 26790912

約数和(自身を除く): 5182727

約数列:

[1, 5, 37, 185, 271, 431, 1355, 2155, 10027, 15947, 50135, 79735, 116801, 584005, 4321637, 21608185]

約数ペア:

[(1, 21608185), (5, 4321637), (37, 584005), (185, 116801), (271, 79735), (431, 50135), (1355, 15947), (2155, 10027)]