21747286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52027}}^1$

素因数の和:52059

約数の個数: 16

約数和(自身を含む): 37460160

約数和(自身を除く): 15712874

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 52027, 104054, 572297, 988513, 1144594, 1977026, 10873643, 21747286]

約数ペア:

[(1, 21747286), (2, 10873643), (11, 1977026), (19, 1144594), (22, 988513), (38, 572297), (209, 104054), (418, 52027)]