21589288

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9403}}^1$

素因数の和:9457

約数の個数: 32

約数和(自身を含む): 47396160

約数和(自身を除く): 25806872

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9403, 18806, 37612, 65821, 75224, 131642, 263284, 385523, 526568, 771046, 1542092, 2698661, 3084184, 5397322, 10794644, 21589288]

約数ペア:

[(1, 21589288), (2, 10794644), (4, 5397322), (7, 3084184), (8, 2698661), (14, 1542092), (28, 771046), (41, 526568), (56, 385523), (82, 263284), (164, 131642), (287, 75224), (328, 65821), (574, 37612), (1148, 18806), (2296, 9403)]