21199544

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1607}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 42547680

約数和(自身を除く): 21348136

約数列:

[1, 2, 4, 8, 17, 34, 68, 97, 136, 194, 388, 776, 1607, 1649, 3214, 3298, 6428, 6596, 12856, 13192, 27319, 54638, 109276, 155879, 218552, 311758, 623516, 1247032, 2649943, 5299886, 10599772, 21199544]

約数ペア:

[(1, 21199544), (2, 10599772), (4, 5299886), (8, 2649943), (17, 1247032), (34, 623516), (68, 311758), (97, 218552), (136, 155879), (194, 109276), (388, 54638), (776, 27319), (1607, 13192), (1649, 12856), (3214, 6596), (3298, 6428)]