21593480

素因数分解:

$2^3\times 5^1\times {\mathrm{539837}}^1$

素因数の和:539848

約数の個数: 16

約数和(自身を含む): 48585420

約数和(自身を除く): 26991940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 539837, 1079674, 2159348, 2699185, 4318696, 5398370, 10796740, 21593480]

約数ペア:

[(1, 21593480), (2, 10796740), (4, 5398370), (5, 4318696), (8, 2699185), (10, 2159348), (20, 1079674), (40, 539837)]