21497601

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1663}}^1$

素因数の和:1836

約数の個数: 16

約数和(自身を含む): 29818880

約数和(自身を除く): 8321279

約数列:

[1, 3, 31, 93, 139, 417, 1663, 4309, 4989, 12927, 51553, 154659, 231157, 693471, 7165867, 21497601]

約数ペア:

[(1, 21497601), (3, 7165867), (31, 693471), (93, 231157), (139, 154659), (417, 51553), (1663, 12927), (4309, 4989)]