21382450

素因数分解:

$2^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{2239}}^1$

素因数の和:2442

約数の個数: 24

約数和(自身を含む): 39997440

約数和(自身を除く): 18614990

約数列:

[1, 2, 5, 10, 25, 50, 191, 382, 955, 1910, 2239, 4478, 4775, 9550, 11195, 22390, 55975, 111950, 427649, 855298, 2138245, 4276490, 10691225, 21382450]

約数ペア:

[(1, 21382450), (2, 10691225), (5, 4276490), (10, 2138245), (25, 855298), (50, 427649), (191, 111950), (382, 55975), (955, 22390), (1910, 11195), (2239, 9550), (4478, 4775)]