21707079688

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1933}}^1$

素因数の和:2127

約数の個数: 128

約数和(自身を含む): 49048715520

約数和(自身を除く): 27341635832

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 67, 73, 82, 134, 146, 164, 268, 287, 292, 328, 469, 511, 536, 574, 584, 938, 1022, 1148, 1876, 1933, 2044, 2296, 2747, 2993, 3752, 3866, 4088, 4891, 5494, 5986, 7732, 9782, 10988, 11972, 13531, 15464, 19229, 19564, 20951, 21976, 23944, 27062, 34237, 38458, 39128, 41902, 54124, 68474, 76916, 79253, 83804, 108248, 129511, 136948, 141109, 153832, 158506, 167608, 200531, 259022, 273896, 282218, 317012, 401062, 518044, 554771, 564436, 634024, 802124, 906577, 987763, 1036088, 1109542, 1128872, 1403717, 1604248, 1813154, 1975526, 2219084, 2807434, 3626308, 3951052, 4438168, 5309951, 5614868, 5785469, 7252616, 7902104, 9454303, 10619902, 11229736, 11570938, 18908606, 21239804, 23141876, 37169657, 37817212, 40498283, 42479608, 46283752, 66180121, 74339314, 75634424, 80996566, 132360242, 148678628, 161993132, 264720484, 297357256, 323986264, 387626423, 529440968, 775252846, 1550505692, 2713384961, 3101011384, 5426769922, 10853539844, 21707079688]

約数ペア:

[(1, 21707079688), (2, 10853539844), (4, 5426769922), (7, 3101011384), (8, 2713384961), (14, 1550505692), (28, 775252846), (41, 529440968), (56, 387626423), (67, 323986264), (73, 297357256), (82, 264720484), (134, 161993132), (146, 148678628), (164, 132360242), (268, 80996566), (287, 75634424), (292, 74339314), (328, 66180121), (469, 46283752), (511, 42479608), (536, 40498283), (574, 37817212), (584, 37169657), (938, 23141876), (1022, 21239804), (1148, 18908606), (1876, 11570938), (1933, 11229736), (2044, 10619902), (2296, 9454303), (2747, 7902104), (2993, 7252616), (3752, 5785469), (3866, 5614868), (4088, 5309951), (4891, 4438168), (5494, 3951052), (5986, 3626308), (7732, 2807434), (9782, 2219084), (10988, 1975526), (11972, 1813154), (13531, 1604248), (15464, 1403717), (19229, 1128872), (19564, 1109542), (20951, 1036088), (21976, 987763), (23944, 906577), (27062, 802124), (34237, 634024), (38458, 564436), (39128, 554771), (41902, 518044), (54124, 401062), (68474, 317012), (76916, 282218), (79253, 273896), (83804, 259022), (108248, 200531), (129511, 167608), (136948, 158506), (141109, 153832)]