21683493

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{769}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 33913880

約数和(自身を除く): 12230387

約数列:

[1, 3, 9, 13, 39, 117, 241, 723, 769, 2169, 2307, 3133, 6921, 9399, 9997, 28197, 29991, 89973, 185329, 555987, 1667961, 2409277, 7227831, 21683493]

約数ペア:

[(1, 21683493), (3, 7227831), (9, 2409277), (13, 1667961), (39, 555987), (117, 185329), (241, 89973), (723, 29991), (769, 28197), (2169, 9997), (2307, 9399), (3133, 6921)]