21792909

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 29666304

約数和(自身を除く): 7873395

約数列:

[1, 3, 73, 191, 219, 521, 573, 1563, 13943, 38033, 41829, 99511, 114099, 298533, 7264303, 21792909]

約数ペア:

[(1, 21792909), (3, 7264303), (73, 298533), (191, 114099), (219, 99511), (521, 41829), (573, 38033), (1563, 13943)]