21200149

素因数分解:

${\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 22675968

約数和(自身を除く): 1475819

約数列:

[1, 37, 47, 73, 167, 1739, 2701, 3431, 6179, 7849, 12191, 126947, 290413, 451067, 572977, 21200149]

約数ペア:

[(1, 21200149), (37, 572977), (47, 451067), (73, 290413), (167, 126947), (1739, 12191), (2701, 7849), (3431, 6179)]