21057572

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{89227}}^1$

素因数の和:89290

約数の個数: 12

約数和(自身を含む): 37475760

約数和(自身を除く): 16418188

約数列:

[1, 2, 4, 59, 118, 236, 89227, 178454, 356908, 5264393, 10528786, 21057572]

約数ペア:

[(1, 21057572), (2, 10528786), (4, 5264393), (59, 356908), (118, 178454), (236, 89227)]