21001838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73433}}^1$

素因数の和:73459

約数の個数: 16

約数和(自身を含む): 37010736

約数和(自身を除く): 16008898

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73433, 146866, 807763, 954629, 1615526, 1909258, 10500919, 21001838]

約数ペア:

[(1, 21001838), (2, 10500919), (11, 1909258), (13, 1615526), (22, 954629), (26, 807763), (143, 146866), (286, 73433)]