21085922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73727}}^1$

素因数の和:73753

約数の個数: 16

約数和(自身を含む): 37158912

約数和(自身を除く): 16072990

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73727, 147454, 810997, 958451, 1621994, 1916902, 10542961, 21085922]

約数ペア:

[(1, 21085922), (2, 10542961), (11, 1916902), (13, 1621994), (22, 958451), (26, 810997), (143, 147454), (286, 73727)]