21046641

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{509}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 14204559

約数列:

[1, 3, 7, 11, 21, 33, 77, 179, 231, 509, 537, 1253, 1527, 1969, 3563, 3759, 5599, 5907, 10689, 13783, 16797, 39193, 41349, 91111, 117579, 273333, 637777, 1002221, 1913331, 3006663, 7015547, 21046641]

約数ペア:

[(1, 21046641), (3, 7015547), (7, 3006663), (11, 1913331), (21, 1002221), (33, 637777), (77, 273333), (179, 117579), (231, 91111), (509, 41349), (537, 39193), (1253, 16797), (1527, 13783), (1969, 10689), (3563, 5907), (3759, 5599)]