21043498

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{31981}}^1$

素因数の和:32037

約数の個数: 16

約数和(自身を含む): 36843264

約数和(自身を除く): 15799766

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 31981, 63962, 223867, 447734, 1503107, 3006214, 10521749, 21043498]

約数ペア:

[(1, 21043498), (2, 10521749), (7, 3006214), (14, 1503107), (47, 447734), (94, 223867), (329, 63962), (658, 31981)]