21425038

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1889}}^1$

素因数の和:2051

約数の個数: 16

約数和(自身を含む): 33067440

約数和(自身を除く): 11642402

約数列:

[1, 2, 53, 106, 107, 214, 1889, 3778, 5671, 11342, 100117, 200234, 202123, 404246, 10712519, 21425038]

約数ペア:

[(1, 21425038), (2, 10712519), (53, 404246), (106, 202123), (107, 200234), (214, 100117), (1889, 11342), (3778, 5671)]