21414808

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{39953}}^1$

素因数の和:40026

約数の個数: 16

約数和(自身を含む): 40753080

約数和(自身を除く): 19338272

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 39953, 79906, 159812, 319624, 2676851, 5353702, 10707404, 21414808]

約数ペア:

[(1, 21414808), (2, 10707404), (4, 5353702), (8, 2676851), (67, 319624), (134, 159812), (268, 79906), (536, 39953)]