21850389

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12983}}^1$

素因数の和:13017

約数の個数: 24

約数和(自身を含む): 36459072

約数和(自身を除く): 14608683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12983, 38949, 116847, 142813, 220711, 428439, 662133, 1285317, 1986399, 2427821, 7283463, 21850389]

約数ペア:

[(1, 21850389), (3, 7283463), (9, 2427821), (11, 1986399), (17, 1285317), (33, 662133), (51, 428439), (99, 220711), (153, 142813), (187, 116847), (561, 38949), (1683, 12983)]