21883880

素因数分解:

$2^3\times 5^1\times {\mathrm{547097}}^1$

素因数の和:547108

約数の個数: 16

約数和(自身を含む): 49238820

約数和(自身を除く): 27354940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547097, 1094194, 2188388, 2735485, 4376776, 5470970, 10941940, 21883880]

約数ペア:

[(1, 21883880), (2, 10941940), (4, 5470970), (5, 4376776), (8, 2735485), (10, 2188388), (20, 1094194), (40, 547097)]