21293946

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 72

約数和(自身を含む): 50817780

約数和(自身を除く): 29523834

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 113, 114, 171, 174, 226, 261, 339, 342, 361, 522, 551, 678, 722, 1017, 1083, 1102, 1653, 2034, 2147, 2166, 3249, 3277, 3306, 4294, 4959, 6441, 6498, 6554, 9831, 9918, 10469, 12882, 19323, 19662, 20938, 29493, 31407, 38646, 40793, 58986, 62263, 62814, 81586, 94221, 122379, 124526, 186789, 188442, 244758, 367137, 373578, 560367, 734274, 1120734, 1182997, 2365994, 3548991, 7097982, 10646973, 21293946]

約数ペア:

[(1, 21293946), (2, 10646973), (3, 7097982), (6, 3548991), (9, 2365994), (18, 1182997), (19, 1120734), (29, 734274), (38, 560367), (57, 373578), (58, 367137), (87, 244758), (113, 188442), (114, 186789), (171, 124526), (174, 122379), (226, 94221), (261, 81586), (339, 62814), (342, 62263), (361, 58986), (522, 40793), (551, 38646), (678, 31407), (722, 29493), (1017, 20938), (1083, 19662), (1102, 19323), (1653, 12882), (2034, 10469), (2147, 9918), (2166, 9831), (3249, 6554), (3277, 6498), (3306, 6441), (4294, 4959)]