21094281

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6217}}^1$

素因数の和:6265

約数の個数: 24

約数和(自身を含む): 33950280

約数和(自身を除く): 12855999

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6217, 18651, 55953, 80821, 180293, 242463, 540879, 727389, 1622637, 2343809, 7031427, 21094281]

約数ペア:

[(1, 21094281), (3, 7031427), (9, 2343809), (13, 1622637), (29, 727389), (39, 540879), (87, 242463), (117, 180293), (261, 80821), (377, 55953), (1131, 18651), (3393, 6217)]