21454545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{204329}}^1$

素因数の和:204344

約数の個数: 16

約数和(自身を含む): 39231360

約数和(自身を除く): 17776815

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 204329, 612987, 1021645, 1430303, 3064935, 4290909, 7151515, 21454545]

約数ペア:

[(1, 21454545), (3, 7151515), (5, 4290909), (7, 3064935), (15, 1430303), (21, 1021645), (35, 612987), (105, 204329)]