21358818

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{941}}^1$

素因数の和:1059

約数の個数: 48

約数和(自身を含む): 50404536

約数和(自身を除く): 29045718

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 97, 117, 194, 234, 291, 582, 873, 941, 1261, 1746, 1882, 2522, 2823, 3783, 5646, 7566, 8469, 11349, 12233, 16938, 22698, 24466, 36699, 73398, 91277, 110097, 182554, 220194, 273831, 547662, 821493, 1186601, 1642986, 2373202, 3559803, 7119606, 10679409, 21358818]

約数ペア:

[(1, 21358818), (2, 10679409), (3, 7119606), (6, 3559803), (9, 2373202), (13, 1642986), (18, 1186601), (26, 821493), (39, 547662), (78, 273831), (97, 220194), (117, 182554), (194, 110097), (234, 91277), (291, 73398), (582, 36699), (873, 24466), (941, 22698), (1261, 16938), (1746, 12233), (1882, 11349), (2522, 8469), (2823, 7566), (3783, 5646)]