21288210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709607}}^1$

素因数の和:709617

約数の個数: 16

約数和(自身を含む): 51091776

約数和(自身を除く): 29803566

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709607, 1419214, 2128821, 3548035, 4257642, 7096070, 10644105, 21288210]

約数ペア:

[(1, 21288210), (2, 10644105), (3, 7096070), (5, 4257642), (6, 3548035), (10, 2128821), (15, 1419214), (30, 709607)]