21707283

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1129}}^1$

素因数の和:1191

約数の個数: 32

約数和(自身を含む): 34171200

約数和(自身を除く): 12463917

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 221, 377, 493, 663, 1129, 1131, 1479, 3387, 6409, 14677, 19193, 19227, 32741, 44031, 57579, 98223, 249509, 425633, 556597, 748527, 1276899, 1669791, 7235761, 21707283]

約数ペア:

[(1, 21707283), (3, 7235761), (13, 1669791), (17, 1276899), (29, 748527), (39, 556597), (51, 425633), (87, 249509), (221, 98223), (377, 57579), (493, 44031), (663, 32741), (1129, 19227), (1131, 19193), (1479, 14677), (3387, 6409)]