21232312

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 41796000

約数和(自身を除く): 20563688

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 257, 449, 514, 898, 1028, 1796, 2056, 3592, 5911, 10327, 11822, 20654, 23644, 41308, 47288, 82616, 115393, 230786, 461572, 923144, 2654039, 5308078, 10616156, 21232312]

約数ペア:

[(1, 21232312), (2, 10616156), (4, 5308078), (8, 2654039), (23, 923144), (46, 461572), (92, 230786), (184, 115393), (257, 82616), (449, 47288), (514, 41308), (898, 23644), (1028, 20654), (1796, 11822), (2056, 10327), (3592, 5911)]