21436107

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 36163584

約数和(自身を除く): 14727477

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1307, 1491, 2343, 3921, 5467, 9149, 14377, 16401, 27447, 43131, 92797, 100639, 278391, 301917, 649579, 1020767, 1948737, 3062301, 7145369, 21436107]

約数ペア:

[(1, 21436107), (3, 7145369), (7, 3062301), (11, 1948737), (21, 1020767), (33, 649579), (71, 301917), (77, 278391), (213, 100639), (231, 92797), (497, 43131), (781, 27447), (1307, 16401), (1491, 14377), (2343, 9149), (3921, 5467)]