21113994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{1373}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 46298304

約数和(自身を除く): 25184310

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 233, 466, 699, 1373, 1398, 2563, 2746, 4119, 5126, 7689, 8238, 15103, 15378, 30206, 45309, 90618, 319909, 639818, 959727, 1919454, 3518999, 7037998, 10556997, 21113994]

約数ペア:

[(1, 21113994), (2, 10556997), (3, 7037998), (6, 3518999), (11, 1919454), (22, 959727), (33, 639818), (66, 319909), (233, 90618), (466, 45309), (699, 30206), (1373, 15378), (1398, 15103), (2563, 8238), (2746, 7689), (4119, 5126)]