21071528

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49697}}^1$

素因数の和:49756

約数の個数: 16

約数和(自身を含む): 40255380

約数和(自身を除く): 19183852

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49697, 99394, 198788, 397576, 2633941, 5267882, 10535764, 21071528]

約数ペア:

[(1, 21071528), (2, 10535764), (4, 5267882), (8, 2633941), (53, 397576), (106, 198788), (212, 99394), (424, 49697)]