21812538

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1979}}^1$

素因数の和:2162

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 26087622

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 167, 334, 501, 1002, 1837, 1979, 3674, 3958, 5511, 5937, 11022, 11874, 21769, 43538, 65307, 130614, 330493, 660986, 991479, 1982958, 3635423, 7270846, 10906269, 21812538]

約数ペア:

[(1, 21812538), (2, 10906269), (3, 7270846), (6, 3635423), (11, 1982958), (22, 991479), (33, 660986), (66, 330493), (167, 130614), (334, 65307), (501, 43538), (1002, 21769), (1837, 11874), (1979, 11022), (3674, 5937), (3958, 5511)]