21647148

素因数分解:

$2^2\times 3^1\times {\mathrm{197}}^1\times {\mathrm{9157}}^1$

素因数の和:9361

約数の個数: 24

約数和(自身を含む): 50771952

約数和(自身を除く): 29124804

約数列:

[1, 2, 3, 4, 6, 12, 197, 394, 591, 788, 1182, 2364, 9157, 18314, 27471, 36628, 54942, 109884, 1803929, 3607858, 5411787, 7215716, 10823574, 21647148]

約数ペア:

[(1, 21647148), (2, 10823574), (3, 7215716), (4, 5411787), (6, 3607858), (12, 1803929), (197, 109884), (394, 54942), (591, 36628), (788, 27471), (1182, 18314), (2364, 9157)]