21000559476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{967}}^1$

素因数の和:1454

約数の個数: 192

約数和(自身を含む): 59012997120

約数和(自身を除く): 38012437644

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 19, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 114, 156, 204, 221, 228, 247, 323, 431, 442, 494, 646, 663, 741, 862, 884, 967, 969, 988, 1292, 1293, 1326, 1482, 1724, 1934, 1938, 2586, 2652, 2901, 2964, 3868, 3876, 4199, 5172, 5603, 5802, 7327, 8189, 8398, 11206, 11604, 12571, 12597, 14654, 16378, 16439, 16796, 16809, 18373, 21981, 22412, 24567, 25142, 25194, 29308, 32756, 32878, 33618, 36746, 37713, 43962, 49134, 49317, 50284, 50388, 55119, 65756, 67236, 73492, 75426, 87924, 95251, 98268, 98634, 106457, 110238, 139213, 150852, 190502, 197268, 212914, 213707, 220476, 238849, 278426, 285753, 312341, 319371, 381004, 416777, 417639, 425828, 427414, 477698, 556852, 571506, 624682, 638742, 641121, 716547, 833554, 835278, 854828, 937023, 955396, 1143012, 1249364, 1250331, 1277484, 1282242, 1433094, 1667108, 1670556, 1809769, 1874046, 2500662, 2564484, 2866188, 3619538, 3748092, 4060433, 5001324, 5418101, 5429307, 7085209, 7239076, 7918763, 8120866, 10836202, 10858614, 12181299, 14170418, 15837526, 16241732, 16254303, 21255627, 21672404, 21717228, 23756289, 24362598, 28340836, 31675052, 32508606, 42511254, 47512578, 48725196, 65017212, 85022508, 92107717, 95025156, 102943919, 134618971, 184215434, 205887838, 269237942, 276323151, 308831757, 368430868, 403856913, 411775676, 538475884, 552646302, 617663514, 807713826, 1105292604, 1235327028, 1615427652, 1750046623, 3500093246, 5250139869, 7000186492, 10500279738, 21000559476]

約数ペア:

[(1, 21000559476), (2, 10500279738), (3, 7000186492), (4, 5250139869), (6, 3500093246), (12, 1750046623), (13, 1615427652), (17, 1235327028), (19, 1105292604), (26, 807713826), (34, 617663514), (38, 552646302), (39, 538475884), (51, 411775676), (52, 403856913), (57, 368430868), (68, 308831757), (76, 276323151), (78, 269237942), (102, 205887838), (114, 184215434), (156, 134618971), (204, 102943919), (221, 95025156), (228, 92107717), (247, 85022508), (323, 65017212), (431, 48725196), (442, 47512578), (494, 42511254), (646, 32508606), (663, 31675052), (741, 28340836), (862, 24362598), (884, 23756289), (967, 21717228), (969, 21672404), (988, 21255627), (1292, 16254303), (1293, 16241732), (1326, 15837526), (1482, 14170418), (1724, 12181299), (1934, 10858614), (1938, 10836202), (2586, 8120866), (2652, 7918763), (2901, 7239076), (2964, 7085209), (3868, 5429307), (3876, 5418101), (4199, 5001324), (5172, 4060433), (5603, 3748092), (5802, 3619538), (7327, 2866188), (8189, 2564484), (8398, 2500662), (11206, 1874046), (11604, 1809769), (12571, 1670556), (12597, 1667108), (14654, 1433094), (16378, 1282242), (16439, 1277484), (16796, 1250331), (16809, 1249364), (18373, 1143012), (21981, 955396), (22412, 937023), (24567, 854828), (25142, 835278), (25194, 833554), (29308, 716547), (32756, 641121), (32878, 638742), (33618, 624682), (36746, 571506), (37713, 556852), (43962, 477698), (49134, 427414), (49317, 425828), (50284, 417639), (50388, 416777), (55119, 381004), (65756, 319371), (67236, 312341), (73492, 285753), (75426, 278426), (87924, 238849), (95251, 220476), (98268, 213707), (98634, 212914), (106457, 197268), (110238, 190502), (139213, 150852)]