21599072

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1491

約数の個数: 48

約数和(自身を含む): 47500992

約数和(自身を除く): 25901920

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1376, 1427, 1892, 2854, 3784, 5708, 7568, 11416, 15136, 15697, 22832, 31394, 45664, 61361, 62788, 122722, 125576, 245444, 251152, 490888, 502304, 674971, 981776, 1349942, 1963552, 2699884, 5399768, 10799536, 21599072]

約数ペア:

[(1, 21599072), (2, 10799536), (4, 5399768), (8, 2699884), (11, 1963552), (16, 1349942), (22, 981776), (32, 674971), (43, 502304), (44, 490888), (86, 251152), (88, 245444), (172, 125576), (176, 122722), (344, 62788), (352, 61361), (473, 45664), (688, 31394), (946, 22832), (1376, 15697), (1427, 15136), (1892, 11416), (2854, 7568), (3784, 5708)]