21000659352

素因数分解:

$2^3\times 3^1\times {\mathrm{1973}}^1\times {\mathrm{443501}}^1$

素因数の和:445483

約数の個数: 32

約数和(自身を含む): 52528376880

約数和(自身を除く): 31527717528

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 1973, 3946, 5919, 7892, 11838, 15784, 23676, 47352, 443501, 887002, 1330503, 1774004, 2661006, 3548008, 5322012, 10644024, 875027473, 1750054946, 2625082419, 3500109892, 5250164838, 7000219784, 10500329676, 21000659352]

約数ペア:

[(1, 21000659352), (2, 10500329676), (3, 7000219784), (4, 5250164838), (6, 3500109892), (8, 2625082419), (12, 1750054946), (24, 875027473), (1973, 10644024), (3946, 5322012), (5919, 3548008), (7892, 2661006), (11838, 1774004), (15784, 1330503), (23676, 887002), (47352, 443501)]