21779912

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5051}}^1$

素因数の和:5082

約数の個数: 48

約数和(自身を含む): 51833520

約数和(自身を除く): 30053608

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 5051, 10102, 20204, 35357, 40408, 55561, 70714, 111122, 141428, 222244, 247499, 282856, 388927, 444488, 494998, 777854, 989996, 1555708, 1979992, 2722489, 3111416, 5444978, 10889956, 21779912]

約数ペア:

[(1, 21779912), (2, 10889956), (4, 5444978), (7, 3111416), (8, 2722489), (11, 1979992), (14, 1555708), (22, 989996), (28, 777854), (44, 494998), (49, 444488), (56, 388927), (77, 282856), (88, 247499), (98, 222244), (154, 141428), (196, 111122), (308, 70714), (392, 55561), (539, 40408), (616, 35357), (1078, 20204), (2156, 10102), (4312, 5051)]