21844823

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 29729280

約数和(自身を除く): 7884457

約数列:

[1, 7, 11, 13, 77, 91, 139, 143, 157, 973, 1001, 1099, 1529, 1727, 1807, 2041, 10703, 12089, 12649, 14287, 19877, 21823, 22451, 139139, 152761, 157157, 240053, 283699, 1680371, 1985893, 3120689, 21844823]

約数ペア:

[(1, 21844823), (7, 3120689), (11, 1985893), (13, 1680371), (77, 283699), (91, 240053), (139, 157157), (143, 152761), (157, 139139), (973, 22451), (1001, 21823), (1099, 19877), (1529, 14287), (1727, 12649), (1807, 12089), (2041, 10703)]