21942843

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{11971}}^1$

素因数の和:12034

約数の個数: 16

約数和(自身を含む): 32180736

約数和(自身を除く): 10237893

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 11971, 35913, 155623, 466869, 562637, 1687911, 7314281, 21942843]

約数ペア:

[(1, 21942843), (3, 7314281), (13, 1687911), (39, 562637), (47, 466869), (141, 155623), (611, 35913), (1833, 11971)]