21733640

素因数分解:

$2^3\times 5^1\times {\mathrm{543341}}^1$

素因数の和:543352

約数の個数: 16

約数和(自身を含む): 48900780

約数和(自身を除く): 27167140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 543341, 1086682, 2173364, 2716705, 4346728, 5433410, 10866820, 21733640]

約数ペア:

[(1, 21733640), (2, 10866820), (4, 5433410), (5, 4346728), (8, 2716705), (10, 2173364), (20, 1086682), (40, 543341)]