21362416

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10513}}^1$

素因数の和:10648

約数の個数: 20

約数和(自身を含む): 41719552

約数和(自身を除く): 20357136

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10513, 21026, 42052, 84104, 168208, 1335151, 2670302, 5340604, 10681208, 21362416]

約数ペア:

[(1, 21362416), (2, 10681208), (4, 5340604), (8, 2670302), (16, 1335151), (127, 168208), (254, 84104), (508, 42052), (1016, 21026), (2032, 10513)]