21000718542

素因数分解:

$2^1\times 3^1\times {\mathrm{1973}}^1\times {\mathrm{1774009}}^1$

素因数の和:1775987

約数の個数: 16

約数和(自身を含む): 42022748880

約数和(自身を除く): 21022030338

約数列:

[1, 2, 3, 6, 1973, 3946, 5919, 11838, 1774009, 3548018, 5322027, 10644054, 3500119757, 7000239514, 10500359271, 21000718542]

約数ペア:

[(1, 21000718542), (2, 10500359271), (3, 7000239514), (6, 3500119757), (1973, 10644054), (3946, 5322027), (5919, 3548018), (11838, 1774009)]