21258444

素因数分解:

$2^2\times 3^1\times {\mathrm{787}}^1\times {\mathrm{2251}}^1$

素因数の和:3045

約数の個数: 24

約数和(自身を含む): 49688128

約数和(自身を除く): 28429684

約数列:

[1, 2, 3, 4, 6, 12, 787, 1574, 2251, 2361, 3148, 4502, 4722, 6753, 9004, 9444, 13506, 27012, 1771537, 3543074, 5314611, 7086148, 10629222, 21258444]

約数ペア:

[(1, 21258444), (2, 10629222), (3, 7086148), (4, 5314611), (6, 3543074), (12, 1771537), (787, 27012), (1574, 13506), (2251, 9444), (2361, 9004), (3148, 6753), (4502, 4722)]