21495306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{511793}}^1$

素因数の和:511805

約数の個数: 16

約数和(自身を含む): 49132224

約数和(自身を除く): 27636918

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 511793, 1023586, 1535379, 3070758, 3582551, 7165102, 10747653, 21495306]

約数ペア:

[(1, 21495306), (2, 10747653), (3, 7165102), (6, 3582551), (7, 3070758), (14, 1535379), (21, 1023586), (42, 511793)]