21450339

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2209

約数の個数: 24

約数和(自身を含む): 32930352

約数和(自身を除く): 11480013

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 1107, 2153, 3321, 6459, 9963, 19377, 58131, 88273, 174393, 264819, 523179, 794457, 2383371, 7150113, 21450339]

約数ペア:

[(1, 21450339), (3, 7150113), (9, 2383371), (27, 794457), (41, 523179), (81, 264819), (123, 174393), (243, 88273), (369, 58131), (1107, 19377), (2153, 9963), (3321, 6459)]