21862742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43207}}^1$

素因数の和:43243

約数の個数: 16

約数和(自身を含む): 37331712

約数和(自身を除く): 15468970

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 43207, 86414, 475277, 950554, 993761, 1987522, 10931371, 21862742]

約数ペア:

[(1, 21862742), (2, 10931371), (11, 1987522), (22, 993761), (23, 950554), (46, 475277), (253, 86414), (506, 43207)]