21306168

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 66802320

約数和(自身を除く): 45496152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 102, 103, 104, 117, 136, 153, 156, 169, 204, 206, 221, 234, 306, 309, 312, 338, 408, 412, 442, 468, 507, 612, 618, 663, 676, 824, 884, 927, 936, 1014, 1224, 1236, 1326, 1339, 1352, 1521, 1751, 1768, 1854, 1989, 2028, 2472, 2652, 2678, 2873, 3042, 3502, 3708, 3978, 4017, 4056, 5253, 5304, 5356, 5746, 6084, 7004, 7416, 7956, 8034, 8619, 10506, 10712, 11492, 12051, 12168, 14008, 15759, 15912, 16068, 17238, 17407, 21012, 22763, 22984, 24102, 25857, 31518, 32136, 34476, 34814, 42024, 45526, 48204, 51714, 52221, 63036, 68289, 68952, 69628, 91052, 96408, 103428, 104442, 126072, 136578, 139256, 156663, 182104, 204867, 206856, 208884, 273156, 295919, 313326, 409734, 417768, 546312, 591838, 626652, 819468, 887757, 1183676, 1253304, 1638936, 1775514, 2367352, 2663271, 3551028, 5326542, 7102056, 10653084, 21306168]

約数ペア:

[(1, 21306168), (2, 10653084), (3, 7102056), (4, 5326542), (6, 3551028), (8, 2663271), (9, 2367352), (12, 1775514), (13, 1638936), (17, 1253304), (18, 1183676), (24, 887757), (26, 819468), (34, 626652), (36, 591838), (39, 546312), (51, 417768), (52, 409734), (68, 313326), (72, 295919), (78, 273156), (102, 208884), (103, 206856), (104, 204867), (117, 182104), (136, 156663), (153, 139256), (156, 136578), (169, 126072), (204, 104442), (206, 103428), (221, 96408), (234, 91052), (306, 69628), (309, 68952), (312, 68289), (338, 63036), (408, 52221), (412, 51714), (442, 48204), (468, 45526), (507, 42024), (612, 34814), (618, 34476), (663, 32136), (676, 31518), (824, 25857), (884, 24102), (927, 22984), (936, 22763), (1014, 21012), (1224, 17407), (1236, 17238), (1326, 16068), (1339, 15912), (1352, 15759), (1521, 14008), (1751, 12168), (1768, 12051), (1854, 11492), (1989, 10712), (2028, 10506), (2472, 8619), (2652, 8034), (2678, 7956), (2873, 7416), (3042, 7004), (3502, 6084), (3708, 5746), (3978, 5356), (4017, 5304), (4056, 5253)]