21626288

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{15187}}^1$

素因数の和:15284

約数の個数: 20

約数和(自身を含む): 42374520

約数和(自身を除く): 20748232

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 15187, 30374, 60748, 121496, 242992, 1351643, 2703286, 5406572, 10813144, 21626288]

約数ペア:

[(1, 21626288), (2, 10813144), (4, 5406572), (8, 2703286), (16, 1351643), (89, 242992), (178, 121496), (356, 60748), (712, 30374), (1424, 15187)]