21978366

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{28843}}^1$

素因数の和:28975

約数の個数: 16

約数和(自身を含む): 44304384

約数和(自身を除く): 22326018

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 28843, 57686, 86529, 173058, 3663061, 7326122, 10989183, 21978366]

約数ペア:

[(1, 21978366), (2, 10989183), (3, 7326122), (6, 3663061), (127, 173058), (254, 86529), (381, 57686), (762, 28843)]