21138234

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271003}}^1$

素因数の和:271021

約数の個数: 16

約数和(自身を含む): 45528672

約数和(自身を除く): 24390438

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271003, 542006, 813009, 1626018, 3523039, 7046078, 10569117, 21138234]

約数ペア:

[(1, 21138234), (2, 10569117), (3, 7046078), (6, 3523039), (13, 1626018), (26, 813009), (39, 542006), (78, 271003)]