21341768

素因数分解:

$2^3\times 7^1\times {\mathrm{381103}}^1$

素因数の和:381116

約数の個数: 16

約数和(自身を含む): 45732480

約数和(自身を除く): 24390712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 381103, 762206, 1524412, 2667721, 3048824, 5335442, 10670884, 21341768]

約数ペア:

[(1, 21341768), (2, 10670884), (4, 5335442), (7, 3048824), (8, 2667721), (14, 1524412), (28, 762206), (56, 381103)]