21158194

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{647}}^1$

素因数の和:929

約数の個数: 16

約数和(自身を含む): 32332608

約数和(自身を除く): 11174414

約数列:

[1, 2, 83, 166, 197, 394, 647, 1294, 16351, 32702, 53701, 107402, 127459, 254918, 10579097, 21158194]

約数ペア:

[(1, 21158194), (2, 10579097), (83, 254918), (166, 127459), (197, 107402), (394, 53701), (647, 32702), (1294, 16351)]