21997704

素因数分解:

$2^3\times 3^1\times {\mathrm{916571}}^1$

素因数の和:916580

約数の個数: 16

約数和(自身を含む): 54994320

約数和(自身を除く): 32996616

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 916571, 1833142, 2749713, 3666284, 5499426, 7332568, 10998852, 21997704]

約数ペア:

[(1, 21997704), (2, 10998852), (3, 7332568), (4, 5499426), (6, 3666284), (8, 2749713), (12, 1833142), (24, 916571)]