21183272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240719}}^1$

素因数の和:240736

約数の個数: 16

約数和(自身を含む): 43329600

約数和(自身を除く): 22146328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240719, 481438, 962876, 1925752, 2647909, 5295818, 10591636, 21183272]

約数ペア:

[(1, 21183272), (2, 10591636), (4, 5295818), (8, 2647909), (11, 1925752), (22, 962876), (44, 481438), (88, 240719)]