21106272

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 64350720

約数和(自身を除く): 43244448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 32, 33, 44, 46, 48, 66, 69, 79, 88, 92, 96, 121, 132, 138, 158, 176, 184, 237, 242, 253, 264, 276, 316, 352, 363, 368, 474, 484, 506, 528, 552, 632, 726, 736, 759, 869, 948, 968, 1012, 1056, 1104, 1264, 1452, 1518, 1738, 1817, 1896, 1936, 2024, 2208, 2528, 2607, 2783, 2904, 3036, 3476, 3634, 3792, 3872, 4048, 5214, 5451, 5566, 5808, 6072, 6952, 7268, 7584, 8096, 8349, 9559, 10428, 10902, 11132, 11616, 12144, 13904, 14536, 16698, 19118, 19987, 20856, 21804, 22264, 24288, 27808, 28677, 29072, 33396, 38236, 39974, 41712, 43608, 44528, 57354, 58144, 59961, 66792, 76472, 79948, 83424, 87216, 89056, 114708, 119922, 133584, 152944, 159896, 174432, 219857, 229416, 239844, 267168, 305888, 319792, 439714, 458832, 479688, 639584, 659571, 879428, 917664, 959376, 1319142, 1758856, 1918752, 2638284, 3517712, 5276568, 7035424, 10553136, 21106272]

約数ペア:

[(1, 21106272), (2, 10553136), (3, 7035424), (4, 5276568), (6, 3517712), (8, 2638284), (11, 1918752), (12, 1758856), (16, 1319142), (22, 959376), (23, 917664), (24, 879428), (32, 659571), (33, 639584), (44, 479688), (46, 458832), (48, 439714), (66, 319792), (69, 305888), (79, 267168), (88, 239844), (92, 229416), (96, 219857), (121, 174432), (132, 159896), (138, 152944), (158, 133584), (176, 119922), (184, 114708), (237, 89056), (242, 87216), (253, 83424), (264, 79948), (276, 76472), (316, 66792), (352, 59961), (363, 58144), (368, 57354), (474, 44528), (484, 43608), (506, 41712), (528, 39974), (552, 38236), (632, 33396), (726, 29072), (736, 28677), (759, 27808), (869, 24288), (948, 22264), (968, 21804), (1012, 20856), (1056, 19987), (1104, 19118), (1264, 16698), (1452, 14536), (1518, 13904), (1738, 12144), (1817, 11616), (1896, 11132), (1936, 10902), (2024, 10428), (2208, 9559), (2528, 8349), (2607, 8096), (2783, 7584), (2904, 7268), (3036, 6952), (3476, 6072), (3634, 5808), (3792, 5566), (3872, 5451), (4048, 5214)]