21539103

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{853}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 30334080

約数和(自身を除く): 8794977

約数列:

[1, 3, 19, 57, 443, 853, 1329, 2559, 8417, 16207, 25251, 48621, 377879, 1133637, 7179701, 21539103]

約数ペア:

[(1, 21539103), (3, 7179701), (19, 1133637), (57, 377879), (443, 48621), (853, 25251), (1329, 16207), (2559, 8417)]