21265134

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 27395346

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 59, 66, 86, 118, 127, 129, 177, 254, 258, 354, 381, 473, 649, 762, 946, 1298, 1397, 1419, 1947, 2537, 2794, 2838, 3894, 4191, 5074, 5461, 7493, 7611, 8382, 10922, 14986, 15222, 16383, 22479, 27907, 32766, 44958, 55814, 60071, 82423, 83721, 120142, 164846, 167442, 180213, 247269, 322199, 360426, 494538, 644398, 966597, 1933194, 3544189, 7088378, 10632567, 21265134]

約数ペア:

[(1, 21265134), (2, 10632567), (3, 7088378), (6, 3544189), (11, 1933194), (22, 966597), (33, 644398), (43, 494538), (59, 360426), (66, 322199), (86, 247269), (118, 180213), (127, 167442), (129, 164846), (177, 120142), (254, 83721), (258, 82423), (354, 60071), (381, 55814), (473, 44958), (649, 32766), (762, 27907), (946, 22479), (1298, 16383), (1397, 15222), (1419, 14986), (1947, 10922), (2537, 8382), (2794, 7611), (2838, 7493), (3894, 5461), (4191, 5074)]