21418418

素因数分解:

$2^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{9161}}^1$

素因数の和:9337

約数の個数: 16

約数和(自身を含む): 36941184

約数和(自身を除く): 15522766

約数列:

[1, 2, 7, 14, 167, 334, 1169, 2338, 9161, 18322, 64127, 128254, 1529887, 3059774, 10709209, 21418418]

約数ペア:

[(1, 21418418), (2, 10709209), (7, 3059774), (14, 1529887), (167, 128254), (334, 64127), (1169, 18322), (2338, 9161)]