21450501

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{1933}}^1$

素因数の和:2082

約数の個数: 20

約数和(自身を含む): 32293932

約数和(自身を除く): 10843431

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 1933, 3699, 5799, 11097, 17397, 52191, 156573, 264821, 794463, 2383389, 7150167, 21450501]

約数ペア:

[(1, 21450501), (3, 7150167), (9, 2383389), (27, 794463), (81, 264821), (137, 156573), (411, 52191), (1233, 17397), (1933, 11097), (3699, 5799)]