21711888

素因数分解:

$2^4\times 3^4\times {\mathrm{11}}^1\times {\mathrm{1523}}^1$

素因数の和:1554

約数の個数: 100

約数和(自身を含む): 68598288

約数和(自身を除く): 46886400

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 264, 297, 324, 396, 432, 528, 594, 648, 792, 891, 1188, 1296, 1523, 1584, 1782, 2376, 3046, 3564, 4569, 4752, 6092, 7128, 9138, 12184, 13707, 14256, 16753, 18276, 24368, 27414, 33506, 36552, 41121, 50259, 54828, 67012, 73104, 82242, 100518, 109656, 123363, 134024, 150777, 164484, 201036, 219312, 246726, 268048, 301554, 328968, 402072, 452331, 493452, 603108, 657936, 804144, 904662, 986904, 1206216, 1356993, 1809324, 1973808, 2412432, 2713986, 3618648, 5427972, 7237296, 10855944, 21711888]

約数ペア:

[(1, 21711888), (2, 10855944), (3, 7237296), (4, 5427972), (6, 3618648), (8, 2713986), (9, 2412432), (11, 1973808), (12, 1809324), (16, 1356993), (18, 1206216), (22, 986904), (24, 904662), (27, 804144), (33, 657936), (36, 603108), (44, 493452), (48, 452331), (54, 402072), (66, 328968), (72, 301554), (81, 268048), (88, 246726), (99, 219312), (108, 201036), (132, 164484), (144, 150777), (162, 134024), (176, 123363), (198, 109656), (216, 100518), (264, 82242), (297, 73104), (324, 67012), (396, 54828), (432, 50259), (528, 41121), (594, 36552), (648, 33506), (792, 27414), (891, 24368), (1188, 18276), (1296, 16753), (1523, 14256), (1584, 13707), (1782, 12184), (2376, 9138), (3046, 7128), (3564, 6092), (4569, 4752)]