21452526

素因数分解:

$2^1\times 3^5\times {\mathrm{37}}^1\times {\mathrm{1193}}^1$

素因数の和:1247

約数の個数: 48

約数和(自身を含む): 49546224

約数和(自身を除く): 28093698

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 243, 333, 486, 666, 999, 1193, 1998, 2386, 2997, 3579, 5994, 7158, 8991, 10737, 17982, 21474, 32211, 44141, 64422, 88282, 96633, 132423, 193266, 264846, 289899, 397269, 579798, 794538, 1191807, 2383614, 3575421, 7150842, 10726263, 21452526]

約数ペア:

[(1, 21452526), (2, 10726263), (3, 7150842), (6, 3575421), (9, 2383614), (18, 1191807), (27, 794538), (37, 579798), (54, 397269), (74, 289899), (81, 264846), (111, 193266), (162, 132423), (222, 96633), (243, 88282), (333, 64422), (486, 44141), (666, 32211), (999, 21474), (1193, 17982), (1998, 10737), (2386, 8991), (2997, 7158), (3579, 5994)]