21000313324

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{128050691}}^1$

素因数の和:128050736

約数の個数: 12

約数和(自身を含む): 37646903448

約数和(自身を除く): 16646590124

約数列:

[1, 2, 4, 41, 82, 164, 128050691, 256101382, 512202764, 5250078331, 10500156662, 21000313324]

約数ペア:

[(1, 21000313324), (2, 10500156662), (4, 5250078331), (41, 512202764), (82, 256101382), (164, 128050691)]