221242538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{19993}}^1$

素因数の和:20509

約数の個数: 16

約数和(自身を含む): 362771136

約数和(自身を除く): 141528598

約数列:

[1, 2, 11, 22, 503, 1006, 5533, 11066, 19993, 39986, 219923, 439846, 10056479, 20112958, 110621269, 221242538]

約数ペア:

[(1, 221242538), (2, 110621269), (11, 20112958), (22, 10056479), (503, 439846), (1006, 219923), (5533, 39986), (11066, 19993)]