21347312

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8287}}^1$

素因数の和:8325

約数の個数: 40

約数和(自身を含む): 49330176

約数和(自身を除く): 27982864

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8287, 16574, 33148, 58009, 66296, 116018, 132592, 190601, 232036, 381202, 464072, 762404, 928144, 1334207, 1524808, 2668414, 3049616, 5336828, 10673656, 21347312]

約数ペア:

[(1, 21347312), (2, 10673656), (4, 5336828), (7, 3049616), (8, 2668414), (14, 1524808), (16, 1334207), (23, 928144), (28, 762404), (46, 464072), (56, 381202), (92, 232036), (112, 190601), (161, 132592), (184, 116018), (322, 66296), (368, 58009), (644, 33148), (1288, 16574), (2576, 8287)]