21145356

素因数分解:

$2^2\times 3^2\times {\mathrm{587371}}^1$

素因数の和:587381

約数の個数: 18

約数和(自身を含む): 53450852

約数和(自身を除く): 32305496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 587371, 1174742, 1762113, 2349484, 3524226, 5286339, 7048452, 10572678, 21145356]

約数ペア:

[(1, 21145356), (2, 10572678), (3, 7048452), (4, 5286339), (6, 3524226), (9, 2349484), (12, 1762113), (18, 1174742), (36, 587371)]