21931742

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{68111}}^1$

素因数の和:68143

約数の個数: 16

約数和(自身を含む): 39232512

約数和(自身を除く): 17300770

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 68111, 136222, 476777, 953554, 1566553, 3133106, 10965871, 21931742]

約数ペア:

[(1, 21931742), (2, 10965871), (7, 3133106), (14, 1566553), (23, 953554), (46, 476777), (161, 136222), (322, 68111)]