21884786

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12919}}^1$

素因数の和:12950

約数の個数: 24

約数和(自身を含む): 41240640

約数和(自身を除く): 19355854

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12919, 25838, 90433, 142109, 180866, 284218, 994763, 1563199, 1989526, 3126398, 10942393, 21884786]

約数ペア:

[(1, 21884786), (2, 10942393), (7, 3126398), (11, 1989526), (14, 1563199), (22, 994763), (77, 284218), (121, 180866), (154, 142109), (242, 90433), (847, 25838), (1694, 12919)]