21012864

素因数分解:

$2^7\times 3^1\times {\mathrm{54721}}^1$

素因数の和:54738

約数の個数: 32

約数和(自身を含む): 55816440

約数和(自身を除く): 34803576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 54721, 109442, 164163, 218884, 328326, 437768, 656652, 875536, 1313304, 1751072, 2626608, 3502144, 5253216, 7004288, 10506432, 21012864]

約数ペア:

[(1, 21012864), (2, 10506432), (3, 7004288), (4, 5253216), (6, 3502144), (8, 2626608), (12, 1751072), (16, 1313304), (24, 875536), (32, 656652), (48, 437768), (64, 328326), (96, 218884), (128, 164163), (192, 109442), (384, 54721)]