21295564

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1459}}^1$

素因数の和:1593

約数の個数: 24

約数和(自身を含む): 38631600

約数和(自身を除く): 17336036

約数列:

[1, 2, 4, 41, 82, 89, 164, 178, 356, 1459, 2918, 3649, 5836, 7298, 14596, 59819, 119638, 129851, 239276, 259702, 519404, 5323891, 10647782, 21295564]

約数ペア:

[(1, 21295564), (2, 10647782), (4, 5323891), (41, 519404), (82, 259702), (89, 239276), (164, 129851), (178, 119638), (356, 59819), (1459, 14596), (2918, 7298), (3649, 5836)]