21480804

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{25943}}^1$

素因数の和:25976

約数の個数: 36

約数和(自身を含む): 56661696

約数和(自身を除く): 35180892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25943, 51886, 77829, 103772, 155658, 233487, 311316, 466974, 596689, 933948, 1193378, 1790067, 2386756, 3580134, 5370201, 7160268, 10740402, 21480804]

約数ペア:

[(1, 21480804), (2, 10740402), (3, 7160268), (4, 5370201), (6, 3580134), (9, 2386756), (12, 1790067), (18, 1193378), (23, 933948), (36, 596689), (46, 466974), (69, 311316), (92, 233487), (138, 155658), (207, 103772), (276, 77829), (414, 51886), (828, 25943)]