21499674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{511897}}^1$

素因数の和:511909

約数の個数: 16

約数和(自身を含む): 49142208

約数和(自身を除く): 27642534

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 511897, 1023794, 1535691, 3071382, 3583279, 7166558, 10749837, 21499674]

約数ペア:

[(1, 21499674), (2, 10749837), (3, 7166558), (6, 3583279), (7, 3071382), (14, 1535691), (21, 1023794), (42, 511897)]