21148336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1123}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 45157824

約数和(自身を除く): 24009488

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 107, 176, 214, 428, 856, 1123, 1177, 1712, 2246, 2354, 4492, 4708, 8984, 9416, 12353, 17968, 18832, 24706, 49412, 98824, 120161, 197648, 240322, 480644, 961288, 1321771, 1922576, 2643542, 5287084, 10574168, 21148336]

約数ペア:

[(1, 21148336), (2, 10574168), (4, 5287084), (8, 2643542), (11, 1922576), (16, 1321771), (22, 961288), (44, 480644), (88, 240322), (107, 197648), (176, 120161), (214, 98824), (428, 49412), (856, 24706), (1123, 18832), (1177, 17968), (1712, 12353), (2246, 9416), (2354, 8984), (4492, 4708)]