21000427976

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21694657}}^1$

素因数の和:21694685

約数の個数: 24

約数和(自身を含む): 43280842710

約数和(自身を除く): 22280414734

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21694657, 43389314, 86778628, 173557256, 238641227, 477282454, 954564908, 1909129816, 2625053497, 5250106994, 10500213988, 21000427976]

約数ペア:

[(1, 21000427976), (2, 10500213988), (4, 5250106994), (8, 2625053497), (11, 1909129816), (22, 954564908), (44, 477282454), (88, 238641227), (121, 173557256), (242, 86778628), (484, 43389314), (968, 21694657)]