21493794

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{511757}}^1$

素因数の和:511769

約数の個数: 16

約数和(自身を含む): 49128768

約数和(自身を除く): 27634974

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 511757, 1023514, 1535271, 3070542, 3582299, 7164598, 10746897, 21493794]

約数ペア:

[(1, 21493794), (2, 10746897), (3, 7164598), (6, 3582299), (7, 3070542), (14, 1535271), (21, 1023514), (42, 511757)]