21474447

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2574

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 8281713

約数列:

[1, 3, 41, 71, 123, 213, 2459, 2911, 7377, 8733, 100819, 174589, 302457, 523767, 7158149, 21474447]

約数ペア:

[(1, 21474447), (3, 7158149), (41, 523767), (71, 302457), (123, 174589), (213, 100819), (2459, 8733), (2911, 7377)]