21746312

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1511}}^1$

素因数の和:1781

約数の個数: 32

約数和(自身を含む): 46811520

約数和(自身を除く): 25065208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1511, 1799, 2056, 3022, 3598, 6044, 7196, 10577, 12088, 14392, 21154, 42308, 84616, 388327, 776654, 1553308, 2718289, 3106616, 5436578, 10873156, 21746312]

約数ペア:

[(1, 21746312), (2, 10873156), (4, 5436578), (7, 3106616), (8, 2718289), (14, 1553308), (28, 776654), (56, 388327), (257, 84616), (514, 42308), (1028, 21154), (1511, 14392), (1799, 12088), (2056, 10577), (3022, 7196), (3598, 6044)]