21142878

素因数分解:

$2^1\times 3^1\times {\mathrm{271}}^1\times {\mathrm{13003}}^1$

素因数の和:13279

約数の個数: 16

約数和(自身を含む): 42445056

約数和(自身を除く): 21302178

約数列:

[1, 2, 3, 6, 271, 542, 813, 1626, 13003, 26006, 39009, 78018, 3523813, 7047626, 10571439, 21142878]

約数ペア:

[(1, 21142878), (2, 10571439), (3, 7047626), (6, 3523813), (271, 78018), (542, 39009), (813, 26006), (1626, 13003)]