21044419

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5923}}^1$

素因数の和:5970

約数の個数: 16

約数和(自身を含む): 25591680

約数和(自身を除く): 4547261

約数列:

[1, 11, 17, 19, 187, 209, 323, 3553, 5923, 65153, 100691, 112537, 1107601, 1237907, 1913129, 21044419]

約数ペア:

[(1, 21044419), (11, 1913129), (17, 1237907), (19, 1107601), (187, 112537), (209, 100691), (323, 65153), (3553, 5923)]