21216894

素因数分解:

$2^1\times 3^1\times {\mathrm{211}}^1\times {\mathrm{16759}}^1$

素因数の和:16975

約数の個数: 16

約数和(自身を含む): 42637440

約数和(自身を除く): 21420546

約数列:

[1, 2, 3, 6, 211, 422, 633, 1266, 16759, 33518, 50277, 100554, 3536149, 7072298, 10608447, 21216894]

約数ペア:

[(1, 21216894), (2, 10608447), (3, 7072298), (6, 3536149), (211, 100554), (422, 50277), (633, 33518), (1266, 16759)]