21188178

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{947}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 50577696

約数和(自身を除く): 29389518

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 113, 198, 226, 339, 678, 947, 1017, 1243, 1894, 2034, 2486, 2841, 3729, 5682, 7458, 8523, 10417, 11187, 17046, 20834, 22374, 31251, 62502, 93753, 107011, 187506, 214022, 321033, 642066, 963099, 1177121, 1926198, 2354242, 3531363, 7062726, 10594089, 21188178]

約数ペア:

[(1, 21188178), (2, 10594089), (3, 7062726), (6, 3531363), (9, 2354242), (11, 1926198), (18, 1177121), (22, 963099), (33, 642066), (66, 321033), (99, 214022), (113, 187506), (198, 107011), (226, 93753), (339, 62502), (678, 31251), (947, 22374), (1017, 20834), (1243, 17046), (1894, 11187), (2034, 10417), (2486, 8523), (2841, 7458), (3729, 5682)]