21740754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{517637}}^1$

素因数の和:517649

約数の個数: 16

約数和(自身を含む): 49693248

約数和(自身を除く): 27952494

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 517637, 1035274, 1552911, 3105822, 3623459, 7246918, 10870377, 21740754]

約数ペア:

[(1, 21740754), (2, 10870377), (3, 7246918), (6, 3623459), (7, 3105822), (14, 1552911), (21, 1035274), (42, 517637)]