21606453

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3163}}^1$

素因数の和:3206

約数の個数: 32

約数和(自身を含む): 36449280

約数和(自身を除く): 14842827

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 3163, 6831, 9489, 28467, 34793, 72749, 85401, 104379, 218247, 313137, 654741, 800239, 939411, 1964223, 2400717, 7202151, 21606453]

約数ペア:

[(1, 21606453), (3, 7202151), (9, 2400717), (11, 1964223), (23, 939411), (27, 800239), (33, 654741), (69, 313137), (99, 218247), (207, 104379), (253, 85401), (297, 72749), (621, 34793), (759, 28467), (2277, 9489), (3163, 6831)]