21094180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55511}}^1$

素因数の和:55539

約数の個数: 24

約数和(自身を含む): 46630080

約数和(自身を除く): 25535900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 55511, 111022, 222044, 277555, 555110, 1054709, 1110220, 2109418, 4218836, 5273545, 10547090, 21094180]

約数ペア:

[(1, 21094180), (2, 10547090), (4, 5273545), (5, 4218836), (10, 2109418), (19, 1110220), (20, 1054709), (38, 555110), (76, 277555), (95, 222044), (190, 111022), (380, 55511)]