21095886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11681}}^1$

素因数の和:11736

約数の個数: 32

約数和(自身を含む): 49344768

約数和(自身を除く): 28248882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11681, 23362, 35043, 70086, 81767, 163534, 245301, 490602, 502283, 1004566, 1506849, 3013698, 3515981, 7031962, 10547943, 21095886]

約数ペア:

[(1, 21095886), (2, 10547943), (3, 7031962), (6, 3515981), (7, 3013698), (14, 1506849), (21, 1004566), (42, 502283), (43, 490602), (86, 245301), (129, 163534), (258, 81767), (301, 70086), (602, 35043), (903, 23362), (1806, 11681)]