21407650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38923}}^1$

素因数の和:38946

約数の個数: 24

約数和(自身を含む): 43439184

約数和(自身を除く): 22031534

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38923, 77846, 194615, 389230, 428153, 856306, 973075, 1946150, 2140765, 4281530, 10703825, 21407650]

約数ペア:

[(1, 21407650), (2, 10703825), (5, 4281530), (10, 2140765), (11, 1946150), (22, 973075), (25, 856306), (50, 428153), (55, 389230), (110, 194615), (275, 77846), (550, 38923)]