21406854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509687}}^1$

素因数の和:509699

約数の個数: 16

約数和(自身を含む): 48930048

約数和(自身を除く): 27523194

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509687, 1019374, 1529061, 3058122, 3567809, 7135618, 10703427, 21406854]

約数ペア:

[(1, 21406854), (2, 10703427), (3, 7135618), (6, 3567809), (7, 3058122), (14, 1529061), (21, 1019374), (42, 509687)]