21000751986

素因数分解:

$2^1\times 3^1\times {\mathrm{1051}}^1\times {\mathrm{3330281}}^1$

素因数の和:3331337

約数の個数: 16

約数和(自身を含む): 42041479968

約数和(自身を除く): 21040727982

約数列:

[1, 2, 3, 6, 1051, 2102, 3153, 6306, 3330281, 6660562, 9990843, 19981686, 3500125331, 7000250662, 10500375993, 21000751986]

約数ペア:

[(1, 21000751986), (2, 10500375993), (3, 7000250662), (6, 3500125331), (1051, 19981686), (2102, 9990843), (3153, 6660562), (6306, 3330281)]