21382856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1259}}^1$

素因数の和:1469

約数の個数: 32

約数和(自身を含む): 43999200

約数和(自身を除く): 22616344

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 193, 386, 772, 1259, 1544, 2123, 2518, 4246, 5036, 8492, 10072, 13849, 16984, 27698, 55396, 110792, 242987, 485974, 971948, 1943896, 2672857, 5345714, 10691428, 21382856]

約数ペア:

[(1, 21382856), (2, 10691428), (4, 5345714), (8, 2672857), (11, 1943896), (22, 971948), (44, 485974), (88, 242987), (193, 110792), (386, 55396), (772, 27698), (1259, 16984), (1544, 13849), (2123, 10072), (2518, 8492), (4246, 5036)]