21164368

素因数分解:

$2^4\times {\mathrm{1031}}^1\times {\mathrm{1283}}^1$

素因数の和:2322

約数の個数: 20

約数和(自身を含む): 41077728

約数和(自身を除く): 19913360

約数列:

[1, 2, 4, 8, 16, 1031, 1283, 2062, 2566, 4124, 5132, 8248, 10264, 16496, 20528, 1322773, 2645546, 5291092, 10582184, 21164368]

約数ペア:

[(1, 21164368), (2, 10582184), (4, 5291092), (8, 2645546), (16, 1322773), (1031, 20528), (1283, 16496), (2062, 10264), (2566, 8248), (4124, 5132)]