21012706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73471}}^1$

素因数の和:73497

約数の個数: 16

約数和(自身を含む): 37029888

約数和(自身を除く): 16017182

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73471, 146942, 808181, 955123, 1616362, 1910246, 10506353, 21012706]

約数ペア:

[(1, 21012706), (2, 10506353), (11, 1910246), (13, 1616362), (22, 955123), (26, 808181), (143, 146942), (286, 73471)]