21877008

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2903}}^1$

素因数の和:3071

約数の個数: 40

約数和(自身を含む): 56895168

約数和(自身を除く): 35018160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 2903, 3768, 5806, 7536, 8709, 11612, 17418, 23224, 34836, 46448, 69672, 139344, 455771, 911542, 1367313, 1823084, 2734626, 3646168, 5469252, 7292336, 10938504, 21877008]

約数ペア:

[(1, 21877008), (2, 10938504), (3, 7292336), (4, 5469252), (6, 3646168), (8, 2734626), (12, 1823084), (16, 1367313), (24, 911542), (48, 455771), (157, 139344), (314, 69672), (471, 46448), (628, 34836), (942, 23224), (1256, 17418), (1884, 11612), (2512, 8709), (2903, 7536), (3768, 5806)]