21045442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12109}}^1$

素因数の和:12201

約数の個数: 16

約数和(自身を含む): 34876800

約数和(自身を除く): 13831358

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12109, 24218, 133199, 266398, 956611, 1913222, 10522721, 21045442]

約数ペア:

[(1, 21045442), (2, 10522721), (11, 1913222), (22, 956611), (79, 266398), (158, 133199), (869, 24218), (1738, 12109)]