16221821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1103}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 20348928

約数和(自身を除く): 4127107

約数列:

[1, 7, 11, 77, 191, 1103, 1337, 2101, 7721, 12133, 14707, 84931, 210673, 1474711, 2317403, 16221821]

約数ペア:

[(1, 16221821), (7, 2317403), (11, 1474711), (77, 210673), (191, 84931), (1103, 14707), (1337, 12133), (2101, 7721)]