21713769

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31333}}^1$

素因数の和:31357

約数の個数: 24

約数和(自身を含む): 39104832

約数和(自身を除く): 17391063

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 31333, 93999, 219331, 281997, 344663, 657993, 1033989, 1973979, 2412641, 3101967, 7237923, 21713769]

約数ペア:

[(1, 21713769), (3, 7237923), (7, 3101967), (9, 2412641), (11, 1973979), (21, 1033989), (33, 657993), (63, 344663), (77, 281997), (99, 219331), (231, 93999), (693, 31333)]