21847756

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3499}}^1$

素因数の和:3733

約数の個数: 24

約数和(自身を含む): 43904000

約数和(自身を除く): 22056244

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 3499, 6244, 6998, 13996, 24493, 48986, 97972, 780277, 1560554, 3121108, 5461939, 10923878, 21847756]

約数ペア:

[(1, 21847756), (2, 10923878), (4, 5461939), (7, 3121108), (14, 1560554), (28, 780277), (223, 97972), (446, 48986), (892, 24493), (1561, 13996), (3122, 6998), (3499, 6244)]