21344056

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{39821}}^1$

素因数の和:39894

約数の個数: 16

約数和(自身を含む): 40618440

約数和(自身を除く): 19274384

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 39821, 79642, 159284, 318568, 2668007, 5336014, 10672028, 21344056]

約数ペア:

[(1, 21344056), (2, 10672028), (4, 5336014), (8, 2668007), (67, 318568), (134, 159284), (268, 79642), (536, 39821)]