21425085

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43283}}^1$

素因数の和:43305

約数の個数: 24

約数和(自身を含む): 40513824

約数和(自身を除く): 19088739

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 43283, 129849, 216415, 389547, 476113, 649245, 1428339, 1947735, 2380565, 4285017, 7141695, 21425085]

約数ペア:

[(1, 21425085), (3, 7141695), (5, 4285017), (9, 2380565), (11, 1947735), (15, 1428339), (33, 649245), (45, 476113), (55, 389547), (99, 216415), (165, 129849), (495, 43283)]