21901402

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1931}}^1$

素因数の和:2093

約数の個数: 16

約数和(自身を含む): 33802272

約数和(自身を除く): 11900870

約数列:

[1, 2, 53, 106, 107, 214, 1931, 3862, 5671, 11342, 102343, 204686, 206617, 413234, 10950701, 21901402]

約数ペア:

[(1, 21901402), (2, 10950701), (53, 413234), (106, 206617), (107, 204686), (214, 102343), (1931, 11342), (3862, 5671)]