21000906436

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{41340367}}^1$

素因数の和:41340498

約数の個数: 12

約数和(自身を含む): 37040969728

約数和(自身を除く): 16040063292

約数列:

[1, 2, 4, 127, 254, 508, 41340367, 82680734, 165361468, 5250226609, 10500453218, 21000906436]

約数ペア:

[(1, 21000906436), (2, 10500453218), (4, 5250226609), (127, 165361468), (254, 82680734), (508, 41340367)]