21802020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363367}}^1$

素因数の和:363379

約数の個数: 24

約数和(自身を含む): 61045824

約数和(自身を除く): 39243804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363367, 726734, 1090101, 1453468, 1816835, 2180202, 3633670, 4360404, 5450505, 7267340, 10901010, 21802020]

約数ペア:

[(1, 21802020), (2, 10901010), (3, 7267340), (4, 5450505), (5, 4360404), (6, 3633670), (10, 2180202), (12, 1816835), (15, 1453468), (20, 1090101), (30, 726734), (60, 363367)]