21402286

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{8623}}^1$

素因数の和:8715

約数の個数: 16

約数和(自身を含む): 34461504

約数和(自身を除く): 13059218

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 8623, 17246, 146591, 293182, 629479, 1258958, 10701143, 21402286]

約数ペア:

[(1, 21402286), (2, 10701143), (17, 1258958), (34, 629479), (73, 293182), (146, 146591), (1241, 17246), (2482, 8623)]