21059514

素因数分解:

$2^1\times 3^4\times 7^3\times {\mathrm{379}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 55176000

約数和(自身を除く): 34116486

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 343, 378, 379, 441, 567, 686, 758, 882, 1029, 1134, 1137, 1323, 2058, 2274, 2646, 2653, 3087, 3411, 3969, 5306, 6174, 6822, 7938, 7959, 9261, 10233, 15918, 18522, 18571, 20466, 23877, 27783, 30699, 37142, 47754, 55566, 55713, 61398, 71631, 111426, 129997, 143262, 167139, 214893, 259994, 334278, 389991, 429786, 501417, 779982, 1002834, 1169973, 1504251, 2339946, 3008502, 3509919, 7019838, 10529757, 21059514]

約数ペア:

[(1, 21059514), (2, 10529757), (3, 7019838), (6, 3509919), (7, 3008502), (9, 2339946), (14, 1504251), (18, 1169973), (21, 1002834), (27, 779982), (42, 501417), (49, 429786), (54, 389991), (63, 334278), (81, 259994), (98, 214893), (126, 167139), (147, 143262), (162, 129997), (189, 111426), (294, 71631), (343, 61398), (378, 55713), (379, 55566), (441, 47754), (567, 37142), (686, 30699), (758, 27783), (882, 23877), (1029, 20466), (1134, 18571), (1137, 18522), (1323, 15918), (2058, 10233), (2274, 9261), (2646, 7959), (2653, 7938), (3087, 6822), (3411, 6174), (3969, 5306)]