21063906

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 48275136

約数和(自身を除く): 27211230

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 83, 138, 166, 207, 249, 414, 498, 613, 747, 1226, 1494, 1839, 1909, 3678, 3818, 5517, 5727, 11034, 11454, 14099, 17181, 28198, 34362, 42297, 50879, 84594, 101758, 126891, 152637, 253782, 305274, 457911, 915822, 1170217, 2340434, 3510651, 7021302, 10531953, 21063906]

約数ペア:

[(1, 21063906), (2, 10531953), (3, 7021302), (6, 3510651), (9, 2340434), (18, 1170217), (23, 915822), (46, 457911), (69, 305274), (83, 253782), (138, 152637), (166, 126891), (207, 101758), (249, 84594), (414, 50879), (498, 42297), (613, 34362), (747, 28198), (1226, 17181), (1494, 14099), (1839, 11454), (1909, 11034), (3678, 5727), (3818, 5517)]