21431432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{243539}}^1$

素因数の和:243556

約数の個数: 16

約数和(自身を含む): 43837200

約数和(自身を除く): 22405768

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 243539, 487078, 974156, 1948312, 2678929, 5357858, 10715716, 21431432]

約数ペア:

[(1, 21431432), (2, 10715716), (4, 5357858), (8, 2678929), (11, 1948312), (22, 974156), (44, 487078), (88, 243539)]