211921941

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{83401}}^1$

素因数の和:83433

約数の個数: 24

約数和(自身を含む): 354958912

約数和(自身を除く): 143036971

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 83401, 250203, 583807, 917411, 1751421, 2752233, 6421877, 10091521, 19265631, 30274563, 70640647, 211921941]

約数ペア:

[(1, 211921941), (3, 70640647), (7, 30274563), (11, 19265631), (21, 10091521), (33, 6421877), (77, 2752233), (121, 1751421), (231, 917411), (363, 583807), (847, 250203), (2541, 83401)]