21660718056

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1167

約数の個数: 128

約数和(自身を含む): 55883520000

約数和(自身を除く): 34222801944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 109, 139, 142, 213, 218, 278, 284, 327, 417, 426, 436, 556, 568, 654, 834, 839, 852, 872, 1112, 1308, 1668, 1678, 1704, 2517, 2616, 3336, 3356, 5034, 6712, 7739, 9869, 10068, 15151, 15478, 19738, 20136, 23217, 29607, 30302, 30956, 39476, 45453, 46434, 59214, 59569, 60604, 61912, 78952, 90906, 91451, 92868, 116621, 118428, 119138, 121208, 178707, 181812, 182902, 185736, 233242, 236856, 238276, 274353, 349863, 357414, 363624, 365804, 466484, 476552, 548706, 699726, 714828, 731608, 932968, 1075721, 1097412, 1399452, 1429656, 2151442, 2194824, 2798904, 3227163, 4302884, 6454326, 6493021, 8280091, 8605768, 12711689, 12908652, 12986042, 16560182, 19479063, 24840273, 25423378, 25817304, 25972084, 33120364, 38135067, 38958126, 49680546, 50846756, 51944168, 66240728, 76270134, 77916252, 99361092, 101693512, 152540268, 155832504, 198722184, 305080536, 902529919, 1805059838, 2707589757, 3610119676, 5415179514, 7220239352, 10830359028, 21660718056]

約数ペア:

[(1, 21660718056), (2, 10830359028), (3, 7220239352), (4, 5415179514), (6, 3610119676), (8, 2707589757), (12, 1805059838), (24, 902529919), (71, 305080536), (109, 198722184), (139, 155832504), (142, 152540268), (213, 101693512), (218, 99361092), (278, 77916252), (284, 76270134), (327, 66240728), (417, 51944168), (426, 50846756), (436, 49680546), (556, 38958126), (568, 38135067), (654, 33120364), (834, 25972084), (839, 25817304), (852, 25423378), (872, 24840273), (1112, 19479063), (1308, 16560182), (1668, 12986042), (1678, 12908652), (1704, 12711689), (2517, 8605768), (2616, 8280091), (3336, 6493021), (3356, 6454326), (5034, 4302884), (6712, 3227163), (7739, 2798904), (9869, 2194824), (10068, 2151442), (15151, 1429656), (15478, 1399452), (19738, 1097412), (20136, 1075721), (23217, 932968), (29607, 731608), (30302, 714828), (30956, 699726), (39476, 548706), (45453, 476552), (46434, 466484), (59214, 365804), (59569, 363624), (60604, 357414), (61912, 349863), (78952, 274353), (90906, 238276), (91451, 236856), (92868, 233242), (116621, 185736), (118428, 182902), (119138, 181812), (121208, 178707)]