21495512

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{21157}}^1$

素因数の和:21290

約数の個数: 16

約数和(自身を含む): 40623360

約数和(自身を除く): 19127848

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 21157, 42314, 84628, 169256, 2686939, 5373878, 10747756, 21495512]

約数ペア:

[(1, 21495512), (2, 10747756), (4, 5373878), (8, 2686939), (127, 169256), (254, 84628), (508, 42314), (1016, 21157)]