21521434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2803}}^1$

素因数の和:3165

約数の個数: 16

約数和(自身を含む): 35330400

約数和(自身を除く): 13808966

約数列:

[1, 2, 11, 22, 349, 698, 2803, 3839, 5606, 7678, 30833, 61666, 978247, 1956494, 10760717, 21521434]

約数ペア:

[(1, 21521434), (2, 10760717), (11, 1956494), (22, 978247), (349, 61666), (698, 30833), (2803, 7678), (3839, 5606)]