21289284

素因数分解:

$2^2\times 3^3\times {\mathrm{197123}}^1$

素因数の和:197136

約数の個数: 24

約数和(自身を含む): 55194720

約数和(自身を除く): 33905436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197123, 394246, 591369, 788492, 1182738, 1774107, 2365476, 3548214, 5322321, 7096428, 10644642, 21289284]

約数ペア:

[(1, 21289284), (2, 10644642), (3, 7096428), (4, 5322321), (6, 3548214), (9, 2365476), (12, 1774107), (18, 1182738), (27, 788492), (36, 591369), (54, 394246), (108, 197123)]