21286188

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1097}}^1$

素因数の和:1132

約数の個数: 108

約数和(自身を含む): 68343912

約数和(自身を除く): 47057724

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 49, 63, 66, 77, 84, 98, 99, 126, 132, 147, 154, 196, 198, 231, 252, 294, 308, 396, 441, 462, 539, 588, 693, 882, 924, 1078, 1097, 1386, 1617, 1764, 2156, 2194, 2772, 3234, 3291, 4388, 4851, 6468, 6582, 7679, 9702, 9873, 12067, 13164, 15358, 19404, 19746, 23037, 24134, 30716, 36201, 39492, 46074, 48268, 53753, 69111, 72402, 84469, 92148, 107506, 108603, 138222, 144804, 161259, 168938, 215012, 217206, 253407, 276444, 322518, 337876, 434412, 483777, 506814, 591283, 645036, 760221, 967554, 1013628, 1182566, 1520442, 1773849, 1935108, 2365132, 3040884, 3547698, 5321547, 7095396, 10643094, 21286188]

約数ペア:

[(1, 21286188), (2, 10643094), (3, 7095396), (4, 5321547), (6, 3547698), (7, 3040884), (9, 2365132), (11, 1935108), (12, 1773849), (14, 1520442), (18, 1182566), (21, 1013628), (22, 967554), (28, 760221), (33, 645036), (36, 591283), (42, 506814), (44, 483777), (49, 434412), (63, 337876), (66, 322518), (77, 276444), (84, 253407), (98, 217206), (99, 215012), (126, 168938), (132, 161259), (147, 144804), (154, 138222), (196, 108603), (198, 107506), (231, 92148), (252, 84469), (294, 72402), (308, 69111), (396, 53753), (441, 48268), (462, 46074), (539, 39492), (588, 36201), (693, 30716), (882, 24134), (924, 23037), (1078, 19746), (1097, 19404), (1386, 15358), (1617, 13164), (1764, 12067), (2156, 9873), (2194, 9702), (2772, 7679), (3234, 6582), (3291, 6468), (4388, 4851)]