21247594

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{4889}}^1$

素因数の和:4985

約数の個数: 16

約数和(自身を含む): 33271560

約数和(自身を除く): 12023966

約数列:

[1, 2, 41, 53, 82, 106, 2173, 4346, 4889, 9778, 200449, 259117, 400898, 518234, 10623797, 21247594]

約数ペア:

[(1, 21247594), (2, 10623797), (41, 518234), (53, 400898), (82, 259117), (106, 200449), (2173, 9778), (4346, 4889)]