21907116

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1129}}^1$

素因数の和:1164

約数の個数: 108

約数和(自身を含む): 70335720

約数和(自身を除く): 48428604

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, 1129, 1386, 1617, 1764, 2156, 2258, 2772, 3234, 3387, 4516, 4851, 6468, 6774, 7903, 9702, 10161, 12419, 13548, 15806, 19404, 20322, 23709, 24838, 31612, 37257, 40644, 47418, 49676, 55321, 71127, 74514, 86933, 94836, 110642, 111771, 142254, 149028, 165963, 173866, 221284, 223542, 260799, 284508, 331926, 347732, 447084, 497889, 521598, 608531, 663852, 782397, 995778, 1043196, 1217062, 1564794, 1825593, 1991556, 2434124, 3129588, 3651186, 5476779, 7302372, 10953558, 21907116]

約数ペア:

[(1, 21907116), (2, 10953558), (3, 7302372), (4, 5476779), (6, 3651186), (7, 3129588), (9, 2434124), (11, 1991556), (12, 1825593), (14, 1564794), (18, 1217062), (21, 1043196), (22, 995778), (28, 782397), (33, 663852), (36, 608531), (42, 521598), (44, 497889), (49, 447084), (63, 347732), (66, 331926), (77, 284508), (84, 260799), (98, 223542), (99, 221284), (126, 173866), (132, 165963), (147, 149028), (154, 142254), (196, 111771), (198, 110642), (231, 94836), (252, 86933), (294, 74514), (308, 71127), (396, 55321), (441, 49676), (462, 47418), (539, 40644), (588, 37257), (693, 31612), (882, 24838), (924, 23709), (1078, 20322), (1129, 19404), (1386, 15806), (1617, 13548), (1764, 12419), (2156, 10161), (2258, 9702), (2772, 7903), (3234, 6774), (3387, 6468), (4516, 4851)]