21552894

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{547}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 51292800

約数和(自身を除く): 29739906

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 199, 398, 547, 597, 1094, 1194, 1641, 1791, 2189, 3282, 3582, 4378, 4923, 6017, 6567, 9846, 12034, 13134, 18051, 19701, 36102, 39402, 54153, 108306, 108853, 217706, 326559, 653118, 979677, 1197383, 1959354, 2394766, 3592149, 7184298, 10776447, 21552894]

約数ペア:

[(1, 21552894), (2, 10776447), (3, 7184298), (6, 3592149), (9, 2394766), (11, 1959354), (18, 1197383), (22, 979677), (33, 653118), (66, 326559), (99, 217706), (198, 108853), (199, 108306), (398, 54153), (547, 39402), (597, 36102), (1094, 19701), (1194, 18051), (1641, 13134), (1791, 12034), (2189, 9846), (3282, 6567), (3582, 6017), (4378, 4923)]