21209622

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{504991}}^1$

素因数の和:505003

約数の個数: 16

約数和(自身を含む): 48479232

約数和(自身を除く): 27269610

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 504991, 1009982, 1514973, 3029946, 3534937, 7069874, 10604811, 21209622]

約数ペア:

[(1, 21209622), (2, 10604811), (3, 7069874), (6, 3534937), (7, 3029946), (14, 1514973), (21, 1009982), (42, 504991)]