21256762

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{2053}}^1$

素因数の和:2253

約数の個数: 16

約数和(自身を含む): 33126912

約数和(自身を除く): 11870150

約数列:

[1, 2, 31, 62, 167, 334, 2053, 4106, 5177, 10354, 63643, 127286, 342851, 685702, 10628381, 21256762]

約数ペア:

[(1, 21256762), (2, 10628381), (31, 685702), (62, 342851), (167, 127286), (334, 63643), (2053, 10354), (4106, 5177)]