21167773221

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1\times {\mathrm{8537}}^1$

素因数の和:10281

約数の個数: 32

約数和(自身を含む): 32733462528

約数和(自身を除く): 11565689307

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1663, 4989, 8537, 11641, 25611, 34923, 59759, 118073, 179277, 354219, 606127, 826511, 1818381, 2479533, 4242889, 12728667, 14197031, 42591093, 99379217, 298137651, 1007989201, 3023967603, 7055924407, 21167773221]

約数ペア:

[(1, 21167773221), (3, 7055924407), (7, 3023967603), (21, 1007989201), (71, 298137651), (213, 99379217), (497, 42591093), (1491, 14197031), (1663, 12728667), (4989, 4242889), (8537, 2479533), (11641, 1818381), (25611, 826511), (34923, 606127), (59759, 354219), (118073, 179277)]