21007716

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 55520640

約数和(自身を除く): 34512924

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 34, 51, 53, 58, 67, 68, 87, 102, 106, 116, 134, 159, 174, 201, 204, 212, 268, 318, 348, 402, 493, 636, 804, 901, 986, 1139, 1479, 1537, 1802, 1943, 1972, 2278, 2703, 2958, 3074, 3417, 3551, 3604, 3886, 4556, 4611, 5406, 5829, 5916, 6148, 6834, 7102, 7772, 9222, 10653, 10812, 11658, 13668, 14204, 18444, 21306, 23316, 26129, 33031, 42612, 52258, 60367, 66062, 78387, 99093, 102979, 104516, 120734, 132124, 156774, 181101, 198186, 205958, 241468, 308937, 313548, 362202, 396372, 411916, 617874, 724404, 1235748, 1750643, 3501286, 5251929, 7002572, 10503858, 21007716]

約数ペア:

[(1, 21007716), (2, 10503858), (3, 7002572), (4, 5251929), (6, 3501286), (12, 1750643), (17, 1235748), (29, 724404), (34, 617874), (51, 411916), (53, 396372), (58, 362202), (67, 313548), (68, 308937), (87, 241468), (102, 205958), (106, 198186), (116, 181101), (134, 156774), (159, 132124), (174, 120734), (201, 104516), (204, 102979), (212, 99093), (268, 78387), (318, 66062), (348, 60367), (402, 52258), (493, 42612), (636, 33031), (804, 26129), (901, 23316), (986, 21306), (1139, 18444), (1479, 14204), (1537, 13668), (1802, 11658), (1943, 10812), (1972, 10653), (2278, 9222), (2703, 7772), (2958, 7102), (3074, 6834), (3417, 6148), (3551, 5916), (3604, 5829), (3886, 5406), (4556, 4611)]