21419419

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 26265600

約数和(自身を除く): 4846181

約数列:

[1, 7, 31, 49, 59, 217, 239, 413, 1519, 1673, 1829, 2891, 7409, 11711, 12803, 14101, 51863, 89621, 98707, 363041, 437131, 690949, 3059917, 21419419]

約数ペア:

[(1, 21419419), (7, 3059917), (31, 690949), (49, 437131), (59, 363041), (217, 98707), (239, 89621), (413, 51863), (1519, 14101), (1673, 12803), (1829, 11711), (2891, 7409)]