21949299

素因数分解:

$3^4\times {\mathrm{233}}^1\times {\mathrm{1163}}^1$

素因数の和:1408

約数の個数: 20

約数和(自身を含む): 32957496

約数和(自身を除く): 11008197

約数列:

[1, 3, 9, 27, 81, 233, 699, 1163, 2097, 3489, 6291, 10467, 18873, 31401, 94203, 270979, 812937, 2438811, 7316433, 21949299]

約数ペア:

[(1, 21949299), (3, 7316433), (9, 2438811), (27, 812937), (81, 270979), (233, 94203), (699, 31401), (1163, 18873), (2097, 10467), (3489, 6291)]