21182650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10333}}^1$

素因数の和:10386

約数の個数: 24

約数和(自身を含む): 40364604

約数和(自身を除く): 19181954

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10333, 20666, 51665, 103330, 258325, 423653, 516650, 847306, 2118265, 4236530, 10591325, 21182650]

約数ペア:

[(1, 21182650), (2, 10591325), (5, 4236530), (10, 2118265), (25, 847306), (41, 516650), (50, 423653), (82, 258325), (205, 103330), (410, 51665), (1025, 20666), (2050, 10333)]