21985732

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 39223296

約数和(自身を除く): 17237564

約数列:

[1, 2, 4, 113, 127, 226, 254, 383, 452, 508, 766, 1532, 14351, 28702, 43279, 48641, 57404, 86558, 97282, 173116, 194564, 5496433, 10992866, 21985732]

約数ペア:

[(1, 21985732), (2, 10992866), (4, 5496433), (113, 194564), (127, 173116), (226, 97282), (254, 86558), (383, 57404), (452, 48641), (508, 43279), (766, 28702), (1532, 14351)]