21903685186

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1\times {\mathrm{3413}}^1$

素因数の和:3990

約数の個数: 32

約数和(自身を含む): 33696589680

約数和(自身を除く): 11792904494

約数列:

[1, 2, 73, 113, 146, 226, 389, 778, 3413, 6826, 8249, 16498, 28397, 43957, 56794, 87914, 249149, 385669, 498298, 771338, 1327657, 2655314, 3208861, 6417722, 28153837, 56307674, 96918961, 150025241, 193837922, 300050482, 10951842593, 21903685186]

約数ペア:

[(1, 21903685186), (2, 10951842593), (73, 300050482), (113, 193837922), (146, 150025241), (226, 96918961), (389, 56307674), (778, 28153837), (3413, 6417722), (6826, 3208861), (8249, 2655314), (16498, 1327657), (28397, 771338), (43957, 498298), (56794, 385669), (87914, 249149)]