21367080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 192

約数和(自身を含む): 81244800

約数和(自身を除く): 59877720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 61, 63, 70, 72, 84, 90, 105, 120, 122, 126, 139, 140, 168, 180, 183, 210, 244, 252, 278, 280, 305, 315, 360, 366, 417, 420, 427, 488, 504, 549, 556, 610, 630, 695, 732, 834, 840, 854, 915, 973, 1098, 1112, 1220, 1251, 1260, 1281, 1390, 1464, 1668, 1708, 1830, 1946, 2085, 2135, 2196, 2440, 2502, 2520, 2562, 2745, 2780, 2919, 3336, 3416, 3660, 3843, 3892, 4170, 4270, 4392, 4865, 5004, 5124, 5490, 5560, 5838, 6255, 6405, 7320, 7686, 7784, 8340, 8479, 8540, 8757, 9730, 10008, 10248, 10980, 11676, 12510, 12810, 14595, 15372, 16680, 16958, 17080, 17514, 19215, 19460, 21960, 23352, 25020, 25437, 25620, 29190, 30744, 33916, 35028, 38430, 38920, 42395, 43785, 50040, 50874, 51240, 58380, 59353, 67832, 70056, 76311, 76860, 84790, 87570, 101748, 116760, 118706, 127185, 152622, 153720, 169580, 175140, 178059, 203496, 237412, 254370, 296765, 305244, 339160, 350280, 356118, 381555, 474824, 508740, 534177, 593530, 610488, 712236, 763110, 890295, 1017480, 1068354, 1187060, 1424472, 1526220, 1780590, 2136708, 2374120, 2670885, 3052440, 3561180, 4273416, 5341770, 7122360, 10683540, 21367080]

約数ペア:

[(1, 21367080), (2, 10683540), (3, 7122360), (4, 5341770), (5, 4273416), (6, 3561180), (7, 3052440), (8, 2670885), (9, 2374120), (10, 2136708), (12, 1780590), (14, 1526220), (15, 1424472), (18, 1187060), (20, 1068354), (21, 1017480), (24, 890295), (28, 763110), (30, 712236), (35, 610488), (36, 593530), (40, 534177), (42, 508740), (45, 474824), (56, 381555), (60, 356118), (61, 350280), (63, 339160), (70, 305244), (72, 296765), (84, 254370), (90, 237412), (105, 203496), (120, 178059), (122, 175140), (126, 169580), (139, 153720), (140, 152622), (168, 127185), (180, 118706), (183, 116760), (210, 101748), (244, 87570), (252, 84790), (278, 76860), (280, 76311), (305, 70056), (315, 67832), (360, 59353), (366, 58380), (417, 51240), (420, 50874), (427, 50040), (488, 43785), (504, 42395), (549, 38920), (556, 38430), (610, 35028), (630, 33916), (695, 30744), (732, 29190), (834, 25620), (840, 25437), (854, 25020), (915, 23352), (973, 21960), (1098, 19460), (1112, 19215), (1220, 17514), (1251, 17080), (1260, 16958), (1281, 16680), (1390, 15372), (1464, 14595), (1668, 12810), (1708, 12510), (1830, 11676), (1946, 10980), (2085, 10248), (2135, 10008), (2196, 9730), (2440, 8757), (2502, 8540), (2520, 8479), (2562, 8340), (2745, 7784), (2780, 7686), (2919, 7320), (3336, 6405), (3416, 6255), (3660, 5838), (3843, 5560), (3892, 5490), (4170, 5124), (4270, 5004), (4392, 4865)]