21236604

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5479}}^1$

素因数の和:5522

約数の個数: 48

約数和(自身を含む): 55238400

約数和(自身を除く): 34001796

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5479, 10958, 16437, 21916, 32874, 65748, 93143, 104101, 186286, 208202, 279429, 312303, 372572, 416404, 558858, 624606, 1117716, 1249212, 1769717, 3539434, 5309151, 7078868, 10618302, 21236604]

約数ペア:

[(1, 21236604), (2, 10618302), (3, 7078868), (4, 5309151), (6, 3539434), (12, 1769717), (17, 1249212), (19, 1117716), (34, 624606), (38, 558858), (51, 416404), (57, 372572), (68, 312303), (76, 279429), (102, 208202), (114, 186286), (204, 104101), (228, 93143), (323, 65748), (646, 32874), (969, 21916), (1292, 16437), (1938, 10958), (3876, 5479)]