21560536

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{21221}}^1$

素因数の和:21354

約数の個数: 16

約数和(自身を含む): 40746240

約数和(自身を除く): 19185704

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 21221, 42442, 84884, 169768, 2695067, 5390134, 10780268, 21560536]

約数ペア:

[(1, 21560536), (2, 10780268), (4, 5390134), (8, 2695067), (127, 169768), (254, 84884), (508, 42442), (1016, 21221)]