2021084020

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{133493}}^1$

素因数の和:134259

約数の個数: 24

約数和(自身を含む): 4249914984

約数和(自身を除く): 2228830964

約数列:

[1, 2, 4, 5, 10, 20, 757, 1514, 3028, 3785, 7570, 15140, 133493, 266986, 533972, 667465, 1334930, 2669860, 101054201, 202108402, 404216804, 505271005, 1010542010, 2021084020]

約数ペア:

[(1, 2021084020), (2, 1010542010), (4, 505271005), (5, 404216804), (10, 202108402), (20, 101054201), (757, 2669860), (1514, 1334930), (3028, 667465), (3785, 533972), (7570, 266986), (15140, 133493)]