21342328

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3929}}^1$

素因数の和:4039

約数の個数: 32

約数和(自身を含む): 46216800

約数和(自身を除く): 24874472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 3929, 5432, 7858, 15716, 27503, 31432, 55006, 110012, 220024, 381113, 762226, 1524452, 2667791, 3048904, 5335582, 10671164, 21342328]

約数ペア:

[(1, 21342328), (2, 10671164), (4, 5335582), (7, 3048904), (8, 2667791), (14, 1524452), (28, 762226), (56, 381113), (97, 220024), (194, 110012), (388, 55006), (679, 31432), (776, 27503), (1358, 15716), (2716, 7858), (3929, 5432)]