21969168

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 160

約数和(自身を含む): 68745600

約数和(自身を除く): 46776432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 19, 24, 26, 34, 38, 39, 48, 51, 52, 57, 68, 76, 78, 102, 104, 109, 114, 136, 152, 156, 204, 208, 218, 221, 228, 247, 272, 304, 312, 323, 327, 408, 436, 442, 456, 494, 624, 646, 654, 663, 741, 816, 872, 884, 912, 969, 988, 1292, 1308, 1326, 1417, 1482, 1744, 1768, 1853, 1938, 1976, 2071, 2584, 2616, 2652, 2834, 2964, 3536, 3706, 3876, 3952, 4142, 4199, 4251, 5168, 5232, 5304, 5559, 5668, 5928, 6213, 7412, 7752, 8284, 8398, 8502, 10608, 11118, 11336, 11856, 12426, 12597, 14824, 15504, 16568, 16796, 17004, 22236, 22672, 24089, 24852, 25194, 26923, 29648, 33136, 33592, 34008, 35207, 44472, 48178, 49704, 50388, 53846, 67184, 68016, 70414, 72267, 80769, 88944, 96356, 99408, 100776, 105621, 107692, 140828, 144534, 161538, 192712, 201552, 211242, 215384, 281656, 289068, 323076, 385424, 422484, 430768, 457691, 563312, 578136, 646152, 844968, 915382, 1156272, 1292304, 1373073, 1689936, 1830764, 2746146, 3661528, 5492292, 7323056, 10984584, 21969168]

約数ペア:

[(1, 21969168), (2, 10984584), (3, 7323056), (4, 5492292), (6, 3661528), (8, 2746146), (12, 1830764), (13, 1689936), (16, 1373073), (17, 1292304), (19, 1156272), (24, 915382), (26, 844968), (34, 646152), (38, 578136), (39, 563312), (48, 457691), (51, 430768), (52, 422484), (57, 385424), (68, 323076), (76, 289068), (78, 281656), (102, 215384), (104, 211242), (109, 201552), (114, 192712), (136, 161538), (152, 144534), (156, 140828), (204, 107692), (208, 105621), (218, 100776), (221, 99408), (228, 96356), (247, 88944), (272, 80769), (304, 72267), (312, 70414), (323, 68016), (327, 67184), (408, 53846), (436, 50388), (442, 49704), (456, 48178), (494, 44472), (624, 35207), (646, 34008), (654, 33592), (663, 33136), (741, 29648), (816, 26923), (872, 25194), (884, 24852), (912, 24089), (969, 22672), (988, 22236), (1292, 17004), (1308, 16796), (1326, 16568), (1417, 15504), (1482, 14824), (1744, 12597), (1768, 12426), (1853, 11856), (1938, 11336), (1976, 11118), (2071, 10608), (2584, 8502), (2616, 8398), (2652, 8284), (2834, 7752), (2964, 7412), (3536, 6213), (3706, 5928), (3876, 5668), (3952, 5559), (4142, 5304), (4199, 5232), (4251, 5168)]