21424837

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3929}}^1$

素因数の和:3996

約数の個数: 16

約数和(自身を含む): 26409600

約数和(自身を除く): 4984763

約数列:

[1, 7, 19, 41, 133, 287, 779, 3929, 5453, 27503, 74651, 161089, 522557, 1127623, 3060691, 21424837]

約数ペア:

[(1, 21424837), (7, 3060691), (19, 1127623), (41, 522557), (133, 161089), (287, 74651), (779, 27503), (3929, 5453)]