21428172818

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3729233}}^1$

素因数の和:3729278

約数の個数: 24

約数和(自身を含む): 36852290388

約数和(自身を除く): 15424117570

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 5746, 3729233, 7458466, 48480029, 63396961, 96960058, 126793922, 630240377, 824160493, 1260480754, 1648320986, 10714086409, 21428172818]

約数ペア:

[(1, 21428172818), (2, 10714086409), (13, 1648320986), (17, 1260480754), (26, 824160493), (34, 630240377), (169, 126793922), (221, 96960058), (338, 63396961), (442, 48480029), (2873, 7458466), (5746, 3729233)]