21334016

素因数分解:

$2^{11}\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 46584720

約数和(自身を除く): 25250704

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 947, 1024, 1408, 1894, 2048, 2816, 3788, 5632, 7576, 10417, 11264, 15152, 20834, 22528, 30304, 41668, 60608, 83336, 121216, 166672, 242432, 333344, 484864, 666688, 969728, 1333376, 1939456, 2666752, 5333504, 10667008, 21334016]

約数ペア:

[(1, 21334016), (2, 10667008), (4, 5333504), (8, 2666752), (11, 1939456), (16, 1333376), (22, 969728), (32, 666688), (44, 484864), (64, 333344), (88, 242432), (128, 166672), (176, 121216), (256, 83336), (352, 60608), (512, 41668), (704, 30304), (947, 22528), (1024, 20834), (1408, 15152), (1894, 11264), (2048, 10417), (2816, 7576), (3788, 5632)]