21290076

素因数分解:

$2^2\times 3^2\times {\mathrm{591391}}^1$

素因数の和:591401

約数の個数: 18

約数和(自身を含む): 53816672

約数和(自身を除く): 32526596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 591391, 1182782, 1774173, 2365564, 3548346, 5322519, 7096692, 10645038, 21290076]

約数ペア:

[(1, 21290076), (2, 10645038), (3, 7096692), (4, 5322519), (6, 3548346), (9, 2365564), (12, 1774173), (18, 1182782), (36, 591391)]