21444993

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{1279}}^1$

素因数の和:1320

約数の個数: 28

約数和(自身を含む): 33576960

約数和(自身を除く): 12131967

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 729, 1279, 1863, 3837, 5589, 11511, 16767, 29417, 34533, 88251, 103599, 264753, 310797, 794259, 932391, 2382777, 7148331, 21444993]

約数ペア:

[(1, 21444993), (3, 7148331), (9, 2382777), (23, 932391), (27, 794259), (69, 310797), (81, 264753), (207, 103599), (243, 88251), (621, 34533), (729, 29417), (1279, 16767), (1863, 11511), (3837, 5589)]