21431656

素因数分解:

$2^3\times {\mathrm{1523}}^1\times {\mathrm{1759}}^1$

素因数の和:3288

約数の個数: 16

約数和(自身を含む): 40233600

約数和(自身を除く): 18801944

約数列:

[1, 2, 4, 8, 1523, 1759, 3046, 3518, 6092, 7036, 12184, 14072, 2678957, 5357914, 10715828, 21431656]

約数ペア:

[(1, 21431656), (2, 10715828), (4, 5357914), (8, 2678957), (1523, 14072), (1759, 12184), (3046, 7036), (3518, 6092)]