21288862

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89449}}^1$

素因数の和:89475

約数の個数: 16

約数和(自身を含む): 38642400

約数和(自身を除く): 17353538

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 89449, 178898, 626143, 1252286, 1520633, 3041266, 10644431, 21288862]

約数ペア:

[(1, 21288862), (2, 10644431), (7, 3041266), (14, 1520633), (17, 1252286), (34, 626143), (119, 178898), (238, 89449)]