21894378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1667}}^1$

素因数の和:1882

約数の個数: 32

約数和(自身を含む): 48038400

約数和(自身を除く): 26144022

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 199, 398, 597, 1194, 1667, 2189, 3334, 4378, 5001, 6567, 10002, 13134, 18337, 36674, 55011, 110022, 331733, 663466, 995199, 1990398, 3649063, 7298126, 10947189, 21894378]

約数ペア:

[(1, 21894378), (2, 10947189), (3, 7298126), (6, 3649063), (11, 1990398), (22, 995199), (33, 663466), (66, 331733), (199, 110022), (398, 55011), (597, 36674), (1194, 18337), (1667, 13134), (2189, 10002), (3334, 6567), (4378, 5001)]