21312536

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16547}}^1$

素因数の和:16583

約数の個数: 32

約数和(自身を含む): 47658240

約数和(自身を除く): 26345704

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16547, 33094, 66188, 115829, 132376, 231658, 380581, 463316, 761162, 926632, 1522324, 2664067, 3044648, 5328134, 10656268, 21312536]

約数ペア:

[(1, 21312536), (2, 10656268), (4, 5328134), (7, 3044648), (8, 2664067), (14, 1522324), (23, 926632), (28, 761162), (46, 463316), (56, 380581), (92, 231658), (161, 132376), (184, 115829), (322, 66188), (644, 33094), (1288, 16547)]