21057656

素因数分解:

$2^3\times {\mathrm{433}}^1\times {\mathrm{6079}}^1$

素因数の和:6518

約数の個数: 16

約数和(自身を含む): 39580800

約数和(自身を除く): 18523144

約数列:

[1, 2, 4, 8, 433, 866, 1732, 3464, 6079, 12158, 24316, 48632, 2632207, 5264414, 10528828, 21057656]

約数ペア:

[(1, 21057656), (2, 10528828), (4, 5264414), (8, 2632207), (433, 48632), (866, 24316), (1732, 12158), (3464, 6079)]