21067574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4861}}^1$

素因数の和:5071

約数の個数: 16

約数和(自身を含む): 34656336

約数和(自身を除く): 13588762

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 4861, 9722, 53471, 106942, 957617, 1915234, 10533787, 21067574]

約数ペア:

[(1, 21067574), (2, 10533787), (11, 1915234), (22, 957617), (197, 106942), (394, 53471), (2167, 9722), (4334, 4861)]