21074380

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8297}}^1$

素因数の和:8433

約数の個数: 24

約数和(自身を含む): 44610048

約数和(自身を除く): 23535668

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 8297, 16594, 33188, 41485, 82970, 165940, 1053719, 2107438, 4214876, 5268595, 10537190, 21074380]

約数ペア:

[(1, 21074380), (2, 10537190), (4, 5268595), (5, 4214876), (10, 2107438), (20, 1053719), (127, 165940), (254, 82970), (508, 41485), (635, 33188), (1270, 16594), (2540, 8297)]