21339909

素因数分解:

$3^3\times {\mathrm{353}}^1\times {\mathrm{2239}}^1$

素因数の和:2601

約数の個数: 16

約数和(自身を含む): 31718400

約数和(自身を除く): 10378491

約数列:

[1, 3, 9, 27, 353, 1059, 2239, 3177, 6717, 9531, 20151, 60453, 790367, 2371101, 7113303, 21339909]

約数ペア:

[(1, 21339909), (3, 7113303), (9, 2371101), (27, 790367), (353, 60453), (1059, 20151), (2239, 9531), (3177, 6717)]