21442432

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 47381040

約数和(自身を除く): 25938608

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 97, 128, 157, 176, 194, 314, 352, 388, 628, 704, 776, 1067, 1256, 1408, 1552, 1727, 2134, 2512, 3104, 3454, 4268, 5024, 6208, 6908, 8536, 10048, 12416, 13816, 15229, 17072, 20096, 27632, 30458, 34144, 55264, 60916, 68288, 110528, 121832, 136576, 167519, 221056, 243664, 335038, 487328, 670076, 974656, 1340152, 1949312, 2680304, 5360608, 10721216, 21442432]

約数ペア:

[(1, 21442432), (2, 10721216), (4, 5360608), (8, 2680304), (11, 1949312), (16, 1340152), (22, 974656), (32, 670076), (44, 487328), (64, 335038), (88, 243664), (97, 221056), (128, 167519), (157, 136576), (176, 121832), (194, 110528), (314, 68288), (352, 60916), (388, 55264), (628, 34144), (704, 30458), (776, 27632), (1067, 20096), (1256, 17072), (1408, 15229), (1552, 13816), (1727, 12416), (2134, 10048), (2512, 8536), (3104, 6908), (3454, 6208), (4268, 5024)]