21792807

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{3023}}^1$

素因数の和:3124

約数の個数: 20

約数和(自身を含む): 32931360

約数和(自身を除く): 11138553

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 3023, 7209, 9069, 27207, 81621, 244863, 269047, 807141, 2421423, 7264269, 21792807]

約数ペア:

[(1, 21792807), (3, 7264269), (9, 2421423), (27, 807141), (81, 269047), (89, 244863), (267, 81621), (801, 27207), (2403, 9069), (3023, 7209)]