211561812

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{10903}}^1$

素因数の和:10938

約数の個数: 108

約数和(自身を含む): 678708576

約数和(自身を除く): 467146764

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, 1386, 1617, 1764, 2156, 2772, 3234, 4851, 6468, 9702, 10903, 19404, 21806, 32709, 43612, 65418, 76321, 98127, 119933, 130836, 152642, 196254, 228963, 239866, 305284, 359799, 392508, 457926, 479732, 534247, 686889, 719598, 839531, 915852, 1068494, 1079397, 1373778, 1439196, 1602741, 1679062, 2136988, 2158794, 2518593, 2747556, 3205482, 3358124, 4317588, 4808223, 5037186, 5876717, 6410964, 7555779, 9616446, 10074372, 11753434, 15111558, 17630151, 19232892, 23506868, 30223116, 35260302, 52890453, 70520604, 105780906, 211561812]

約数ペア:

[(1, 211561812), (2, 105780906), (3, 70520604), (4, 52890453), (6, 35260302), (7, 30223116), (9, 23506868), (11, 19232892), (12, 17630151), (14, 15111558), (18, 11753434), (21, 10074372), (22, 9616446), (28, 7555779), (33, 6410964), (36, 5876717), (42, 5037186), (44, 4808223), (49, 4317588), (63, 3358124), (66, 3205482), (77, 2747556), (84, 2518593), (98, 2158794), (99, 2136988), (126, 1679062), (132, 1602741), (147, 1439196), (154, 1373778), (196, 1079397), (198, 1068494), (231, 915852), (252, 839531), (294, 719598), (308, 686889), (396, 534247), (441, 479732), (462, 457926), (539, 392508), (588, 359799), (693, 305284), (882, 239866), (924, 228963), (1078, 196254), (1386, 152642), (1617, 130836), (1764, 119933), (2156, 98127), (2772, 76321), (3234, 65418), (4851, 43612), (6468, 32709), (9702, 21806), (10903, 19404)]