21232337

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 26593920

約数和(自身を除く): 5361583

約数列:

[1, 7, 17, 49, 71, 119, 359, 497, 833, 1207, 2513, 3479, 6103, 8449, 17591, 25489, 42721, 59143, 178423, 299047, 433313, 1248961, 3033191, 21232337]

約数ペア:

[(1, 21232337), (7, 3033191), (17, 1248961), (49, 433313), (71, 299047), (119, 178423), (359, 59143), (497, 42721), (833, 25489), (1207, 17591), (2513, 8449), (3479, 6103)]