21905052

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140417}}^1$

素因数の和:140437

約数の個数: 24

約数和(自身を含む): 55043856

約数和(自身を除く): 33138804

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140417, 280834, 421251, 561668, 842502, 1685004, 1825421, 3650842, 5476263, 7301684, 10952526, 21905052]

約数ペア:

[(1, 21905052), (2, 10952526), (3, 7301684), (4, 5476263), (6, 3650842), (12, 1825421), (13, 1685004), (26, 842502), (39, 561668), (52, 421251), (78, 280834), (156, 140417)]