21284024

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{39709}}^1$

素因数の和:39782

約数の個数: 16

約数和(自身を含む): 40504200

約数和(自身を除く): 19220176

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 39709, 79418, 158836, 317672, 2660503, 5321006, 10642012, 21284024]

約数ペア:

[(1, 21284024), (2, 10642012), (4, 5321006), (8, 2660503), (67, 317672), (134, 158836), (268, 79418), (536, 39709)]