13221821804

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{1787699}}^1$

素因数の和:1787789

約数の個数: 18

約数和(自身を含む): 23688812700

約数和(自身を除く): 10466990896

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 7396, 1787699, 3575398, 7150796, 76871057, 153742114, 307484228, 3305455451, 6610910902, 13221821804]

約数ペア:

[(1, 13221821804), (2, 6610910902), (4, 3305455451), (43, 307484228), (86, 153742114), (172, 76871057), (1849, 7150796), (3698, 3575398), (7396, 1787699)]