21513014782

素因数分解:

$2^1\times 7^2\times {\mathrm{20731}}^1\times {\mathrm{10589}}^1$

素因数の和:31336

約数の個数: 24

約数和(自身を含む): 37543371480

約数和(自身を除く): 16030356698

約数列:

[1, 2, 7, 14, 49, 98, 10589, 20731, 21178, 41462, 74123, 145117, 148246, 290234, 518861, 1015819, 1037722, 2031638, 219520559, 439041118, 1536643913, 3073287826, 10756507391, 21513014782]

約数ペア:

[(1, 21513014782), (2, 10756507391), (7, 3073287826), (14, 1536643913), (49, 439041118), (98, 219520559), (10589, 2031638), (20731, 1037722), (21178, 1015819), (41462, 518861), (74123, 290234), (145117, 148246)]