22181817

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{17903}}^1$

素因数の和:17972

約数の個数: 16

約数和(自身を含む): 34375680

約数和(自身を除く): 12193863

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 17903, 53709, 125321, 375963, 1056277, 3168831, 7393939, 22181817]

約数ペア:

[(1, 22181817), (3, 7393939), (7, 3168831), (21, 1056277), (59, 375963), (177, 125321), (413, 53709), (1239, 17903)]