21468752

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 43765056

約数和(自身を除く): 22296304

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 227, 257, 368, 454, 514, 908, 1028, 1816, 2056, 3632, 4112, 5221, 5911, 10442, 11822, 20884, 23644, 41768, 47288, 58339, 83536, 94576, 116678, 233356, 466712, 933424, 1341797, 2683594, 5367188, 10734376, 21468752]

約数ペア:

[(1, 21468752), (2, 10734376), (4, 5367188), (8, 2683594), (16, 1341797), (23, 933424), (46, 466712), (92, 233356), (184, 116678), (227, 94576), (257, 83536), (368, 58339), (454, 47288), (514, 41768), (908, 23644), (1028, 20884), (1816, 11822), (2056, 10442), (3632, 5911), (4112, 5221)]