21855952

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33317}}^1$

素因数の和:33366

約数の個数: 20

約数和(自身を含む): 43380036

約数和(自身を除く): 21524084

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33317, 66634, 133268, 266536, 533072, 1365997, 2731994, 5463988, 10927976, 21855952]

約数ペア:

[(1, 21855952), (2, 10927976), (4, 5463988), (8, 2731994), (16, 1365997), (41, 533072), (82, 266536), (164, 133268), (328, 66634), (656, 33317)]