21071300

素因数分解:

$2^2\times 5^2\times {\mathrm{210713}}^1$

素因数の和:210727

約数の個数: 18

約数和(自身を含む): 45724938

約数和(自身を除く): 24653638

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 210713, 421426, 842852, 1053565, 2107130, 4214260, 5267825, 10535650, 21071300]

約数ペア:

[(1, 21071300), (2, 10535650), (4, 5267825), (5, 4214260), (10, 2107130), (20, 1053565), (25, 842852), (50, 421426), (100, 210713)]