21456447

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2087}}^1$

素因数の和:2262

約数の個数: 16

約数和(自身を含む): 30067200

約数和(自身を除く): 8610753

約数列:

[1, 3, 23, 69, 149, 447, 2087, 3427, 6261, 10281, 48001, 144003, 310963, 932889, 7152149, 21456447]

約数ペア:

[(1, 21456447), (3, 7152149), (23, 932889), (69, 310963), (149, 144003), (447, 48001), (2087, 10281), (3427, 6261)]