21141710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124363}}^1$

素因数の和:124387

約数の個数: 16

約数和(自身を含む): 40293936

約数和(自身を除く): 19152226

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 124363, 248726, 621815, 1243630, 2114171, 4228342, 10570855, 21141710]

約数ペア:

[(1, 21141710), (2, 10570855), (5, 4228342), (10, 2114171), (17, 1243630), (34, 621815), (85, 248726), (170, 124363)]