21132315

素因数分解:

$3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1259}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 36756720

約数和(自身を除く): 15624405

約数列:

[1, 3, 5, 9, 15, 45, 373, 1119, 1259, 1865, 3357, 3777, 5595, 6295, 11331, 16785, 18885, 56655, 469607, 1408821, 2348035, 4226463, 7044105, 21132315]

約数ペア:

[(1, 21132315), (3, 7044105), (5, 4226463), (9, 2348035), (15, 1408821), (45, 469607), (373, 56655), (1119, 18885), (1259, 16785), (1865, 11331), (3357, 6295), (3777, 5595)]