21125490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{704183}}^1$

素因数の和:704193

約数の個数: 16

約数和(自身を含む): 50701248

約数和(自身を除く): 29575758

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 704183, 1408366, 2112549, 3520915, 4225098, 7041830, 10562745, 21125490]

約数ペア:

[(1, 21125490), (2, 10562745), (3, 7041830), (5, 4225098), (6, 3520915), (10, 2112549), (15, 1408366), (30, 704183)]