21886276

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4409}}^1$

素因数の和:4503

約数の個数: 24

約数和(自身を含む): 41118840

約数和(自身を除く): 19232564

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4409, 4964, 8818, 17636, 74953, 149906, 299812, 321857, 643714, 1287428, 5471569, 10943138, 21886276]

約数ペア:

[(1, 21886276), (2, 10943138), (4, 5471569), (17, 1287428), (34, 643714), (68, 321857), (73, 299812), (146, 149906), (292, 74953), (1241, 17636), (2482, 8818), (4409, 4964)]