21185072

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{4519}}^1$

素因数の和:4820

約数の個数: 20

約数和(自身を含む): 41195280

約数和(自身を除く): 20010208

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4519, 4688, 9038, 18076, 36152, 72304, 1324067, 2648134, 5296268, 10592536, 21185072]

約数ペア:

[(1, 21185072), (2, 10592536), (4, 5296268), (8, 2648134), (16, 1324067), (293, 72304), (586, 36152), (1172, 18076), (2344, 9038), (4519, 4688)]