21437802

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 48542208

約数和(自身を除く): 27104406

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 103, 186, 206, 279, 309, 373, 558, 618, 746, 927, 1119, 1854, 2238, 3193, 3357, 6386, 6714, 9579, 11563, 19158, 23126, 28737, 34689, 38419, 57474, 69378, 76838, 104067, 115257, 208134, 230514, 345771, 691542, 1190989, 2381978, 3572967, 7145934, 10718901, 21437802]

約数ペア:

[(1, 21437802), (2, 10718901), (3, 7145934), (6, 3572967), (9, 2381978), (18, 1190989), (31, 691542), (62, 345771), (93, 230514), (103, 208134), (186, 115257), (206, 104067), (279, 76838), (309, 69378), (373, 57474), (558, 38419), (618, 34689), (746, 28737), (927, 23126), (1119, 19158), (1854, 11563), (2238, 9579), (3193, 6714), (3357, 6386)]