21103464760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{5387}}^1$

素因数の和:6245

約数の個数: 128

約数和(自身を含む): 57538667520

約数和(自身を除く): 36435202760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 823, 952, 1190, 1646, 2380, 3292, 4115, 4760, 5387, 5761, 6584, 8230, 10774, 11522, 13991, 16460, 21548, 23044, 26935, 27982, 28805, 32920, 37709, 43096, 46088, 53870, 55964, 57610, 69955, 75418, 91579, 97937, 107740, 111928, 115220, 139910, 150836, 183158, 188545, 195874, 215480, 230440, 279820, 301672, 366316, 377090, 391748, 457895, 489685, 559640, 641053, 732632, 754180, 783496, 915790, 979370, 1282106, 1508360, 1831580, 1958740, 2564212, 3205265, 3663160, 3917480, 4433501, 5128424, 6410530, 8867002, 12821060, 17734004, 22167505, 25642120, 31034507, 35468008, 44335010, 62069014, 75369517, 88670020, 124138028, 150739034, 155172535, 177340040, 248276056, 301478068, 310345070, 376847585, 527586619, 602956136, 620690140, 753695170, 1055173238, 1241380280, 1507390340, 2110346476, 2637933095, 3014780680, 4220692952, 5275866190, 10551732380, 21103464760]

約数ペア:

[(1, 21103464760), (2, 10551732380), (4, 5275866190), (5, 4220692952), (7, 3014780680), (8, 2637933095), (10, 2110346476), (14, 1507390340), (17, 1241380280), (20, 1055173238), (28, 753695170), (34, 620690140), (35, 602956136), (40, 527586619), (56, 376847585), (68, 310345070), (70, 301478068), (85, 248276056), (119, 177340040), (136, 155172535), (140, 150739034), (170, 124138028), (238, 88670020), (280, 75369517), (340, 62069014), (476, 44335010), (595, 35468008), (680, 31034507), (823, 25642120), (952, 22167505), (1190, 17734004), (1646, 12821060), (2380, 8867002), (3292, 6410530), (4115, 5128424), (4760, 4433501), (5387, 3917480), (5761, 3663160), (6584, 3205265), (8230, 2564212), (10774, 1958740), (11522, 1831580), (13991, 1508360), (16460, 1282106), (21548, 979370), (23044, 915790), (26935, 783496), (27982, 754180), (28805, 732632), (32920, 641053), (37709, 559640), (43096, 489685), (46088, 457895), (53870, 391748), (55964, 377090), (57610, 366316), (69955, 301672), (75418, 279820), (91579, 230440), (97937, 215480), (107740, 195874), (111928, 188545), (115220, 183158), (139910, 150836)]