21832328

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1979}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 47044800

約数和(自身を除く): 25212472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 1979, 2758, 3958, 5516, 7916, 11032, 13853, 15832, 27706, 55412, 110824, 389863, 779726, 1559452, 2729041, 3118904, 5458082, 10916164, 21832328]

約数ペア:

[(1, 21832328), (2, 10916164), (4, 5458082), (7, 3118904), (8, 2729041), (14, 1559452), (28, 779726), (56, 389863), (197, 110824), (394, 55412), (788, 27706), (1379, 15832), (1576, 13853), (1979, 11032), (2758, 7916), (3958, 5516)]