21383852

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8581}}^1$

素因数の和:8681

約数の個数: 24

約数和(自身を含む): 43253280

約数和(自身を除く): 21869428

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8581, 17162, 34324, 60067, 120134, 240268, 763709, 1527418, 3054836, 5345963, 10691926, 21383852]

約数ペア:

[(1, 21383852), (2, 10691926), (4, 5345963), (7, 3054836), (14, 1527418), (28, 763709), (89, 240268), (178, 120134), (356, 60067), (623, 34324), (1246, 17162), (2492, 8581)]