21494619

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{19417}}^1$

素因数の和:19467

約数の個数: 16

約数和(自身を含む): 32622240

約数和(自身を除く): 11127621

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 19417, 58251, 174753, 524259, 796097, 2388291, 7164873, 21494619]

約数ペア:

[(1, 21494619), (3, 7164873), (9, 2388291), (27, 796097), (41, 524259), (123, 174753), (369, 58251), (1107, 19417)]