21246608

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:455

約数の個数: 40

約数和(自身を含む): 42586560

約数和(自身を除く): 21339952

約数列:

[1, 2, 4, 8, 16, 59, 71, 118, 142, 236, 284, 317, 472, 568, 634, 944, 1136, 1268, 2536, 4189, 5072, 8378, 16756, 18703, 22507, 33512, 37406, 45014, 67024, 74812, 90028, 149624, 180056, 299248, 360112, 1327913, 2655826, 5311652, 10623304, 21246608]

約数ペア:

[(1, 21246608), (2, 10623304), (4, 5311652), (8, 2655826), (16, 1327913), (59, 360112), (71, 299248), (118, 180056), (142, 149624), (236, 90028), (284, 74812), (317, 67024), (472, 45014), (568, 37406), (634, 33512), (944, 22507), (1136, 18703), (1268, 16756), (2536, 8378), (4189, 5072)]