21563432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{245039}}^1$

素因数の和:245056

約数の個数: 16

約数和(自身を含む): 44107200

約数和(自身を除く): 22543768

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 245039, 490078, 980156, 1960312, 2695429, 5390858, 10781716, 21563432]

約数ペア:

[(1, 21563432), (2, 10781716), (4, 5390858), (8, 2695429), (11, 1960312), (22, 980156), (44, 490078), (88, 245039)]