21879013

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{313}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 24969280

約数和(自身を除く): 3090267

約数列:

[1, 13, 19, 247, 283, 313, 3679, 4069, 5377, 5947, 69901, 77311, 88579, 1151527, 1683001, 21879013]

約数ペア:

[(1, 21879013), (13, 1683001), (19, 1151527), (247, 88579), (283, 77311), (313, 69901), (3679, 5947), (4069, 5377)]