21141246

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71909}}^1$

素因数の和:71928

約数の個数: 24

約数和(自身を含む): 49186440

約数和(自身を除く): 28045194

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71909, 143818, 215727, 431454, 503363, 1006726, 1510089, 3020178, 3523541, 7047082, 10570623, 21141246]

約数ペア:

[(1, 21141246), (2, 10570623), (3, 7047082), (6, 3523541), (7, 3020178), (14, 1510089), (21, 1006726), (42, 503363), (49, 431454), (98, 215727), (147, 143818), (294, 71909)]