21777152

素因数分解:

$2^8\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:604

約数の個数: 36

約数和(自身を含む): 43770216

約数和(自身を除く): 21993064

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 257, 331, 514, 662, 1028, 1324, 2056, 2648, 4112, 5296, 8224, 10592, 16448, 21184, 32896, 42368, 65792, 84736, 85067, 170134, 340268, 680536, 1361072, 2722144, 5444288, 10888576, 21777152]

約数ペア:

[(1, 21777152), (2, 10888576), (4, 5444288), (8, 2722144), (16, 1361072), (32, 680536), (64, 340268), (128, 170134), (256, 85067), (257, 84736), (331, 65792), (514, 42368), (662, 32896), (1028, 21184), (1324, 16448), (2056, 10592), (2648, 8224), (4112, 5296)]