21665097

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{19571}}^1$

素因数の和:19621

約数の個数: 16

約数和(自身を含む): 32880960

約数和(自身を除く): 11215863

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 19571, 58713, 176139, 528417, 802411, 2407233, 7221699, 21665097]

約数ペア:

[(1, 21665097), (3, 7221699), (9, 2407233), (27, 802411), (41, 528417), (123, 176139), (369, 58713), (1107, 19571)]