21183976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240727}}^1$

素因数の和:240744

約数の個数: 16

約数和(自身を含む): 43331040

約数和(自身を除く): 22147064

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240727, 481454, 962908, 1925816, 2647997, 5295994, 10591988, 21183976]

約数ペア:

[(1, 21183976), (2, 10591988), (4, 5295994), (8, 2647997), (11, 1925816), (22, 962908), (44, 481454), (88, 240727)]