21497406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{511843}}^1$

素因数の和:511855

約数の個数: 16

約数和(自身を含む): 49137024

約数和(自身を除く): 27639618

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 511843, 1023686, 1535529, 3071058, 3582901, 7165802, 10748703, 21497406]

約数ペア:

[(1, 21497406), (2, 10748703), (3, 7165802), (6, 3582901), (7, 3071058), (14, 1535529), (21, 1023686), (42, 511843)]