21890442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521201}}^1$

素因数の和:521213

約数の個数: 16

約数和(自身を含む): 50035392

約数和(自身を除く): 28144950

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521201, 1042402, 1563603, 3127206, 3648407, 7296814, 10945221, 21890442]

約数ペア:

[(1, 21890442), (2, 10945221), (3, 7296814), (6, 3648407), (7, 3127206), (14, 1563603), (21, 1042402), (42, 521201)]