21371526

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 80

約数和(自身を含む): 53317440

約数和(自身を除く): 31945914

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 67, 81, 99, 134, 162, 179, 198, 201, 297, 358, 402, 537, 594, 603, 737, 891, 1074, 1206, 1474, 1611, 1782, 1809, 1969, 2211, 3222, 3618, 3938, 4422, 4833, 5427, 5907, 6633, 9666, 10854, 11814, 11993, 13266, 14499, 17721, 19899, 23986, 28998, 35442, 35979, 39798, 53163, 59697, 71958, 106326, 107937, 119394, 131923, 159489, 215874, 263846, 318978, 323811, 395769, 647622, 791538, 971433, 1187307, 1942866, 2374614, 3561921, 7123842, 10685763, 21371526]

約数ペア:

[(1, 21371526), (2, 10685763), (3, 7123842), (6, 3561921), (9, 2374614), (11, 1942866), (18, 1187307), (22, 971433), (27, 791538), (33, 647622), (54, 395769), (66, 323811), (67, 318978), (81, 263846), (99, 215874), (134, 159489), (162, 131923), (179, 119394), (198, 107937), (201, 106326), (297, 71958), (358, 59697), (402, 53163), (537, 39798), (594, 35979), (603, 35442), (737, 28998), (891, 23986), (1074, 19899), (1206, 17721), (1474, 14499), (1611, 13266), (1782, 11993), (1809, 11814), (1969, 10854), (2211, 9666), (3222, 6633), (3618, 5907), (3938, 5427), (4422, 4833)]