21202214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50723}}^1$

素因数の和:50755

約数の個数: 16

約数和(自身を含む): 36521280

約数和(自身を除く): 15319066

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50723, 101446, 557953, 963737, 1115906, 1927474, 10601107, 21202214]

約数ペア:

[(1, 21202214), (2, 10601107), (11, 1927474), (19, 1115906), (22, 963737), (38, 557953), (209, 101446), (418, 50723)]