21588728

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5281}}^1$

素因数の和:5367

約数の個数: 32

約数和(自身を含む): 46904160

約数和(自身を除く): 25315432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 5281, 10562, 21124, 36967, 42248, 73934, 147868, 295736, 385513, 771026, 1542052, 2698591, 3084104, 5397182, 10794364, 21588728]

約数ペア:

[(1, 21588728), (2, 10794364), (4, 5397182), (7, 3084104), (8, 2698591), (14, 1542052), (28, 771026), (56, 385513), (73, 295736), (146, 147868), (292, 73934), (511, 42248), (584, 36967), (1022, 21124), (2044, 10562), (4088, 5281)]