21495272

素因数分解:

$2^3\times {\mathrm{241}}^1\times {\mathrm{11149}}^1$

素因数の和:11396

約数の個数: 16

約数和(自身を含む): 40474500

約数和(自身を除く): 18979228

約数列:

[1, 2, 4, 8, 241, 482, 964, 1928, 11149, 22298, 44596, 89192, 2686909, 5373818, 10747636, 21495272]

約数ペア:

[(1, 21495272), (2, 10747636), (4, 5373818), (8, 2686909), (241, 89192), (482, 44596), (964, 22298), (1928, 11149)]