21434356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2029}}^1$

素因数の和:2191

約数の個数: 24

約数和(自身を含む): 39788000

約数和(自身を除く): 18353644

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 556, 2029, 2641, 4058, 5282, 8116, 10564, 38551, 77102, 154204, 282031, 564062, 1128124, 5358589, 10717178, 21434356]

約数ペア:

[(1, 21434356), (2, 10717178), (4, 5358589), (19, 1128124), (38, 564062), (76, 282031), (139, 154204), (278, 77102), (556, 38551), (2029, 10564), (2641, 8116), (4058, 5282)]