21136020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{352267}}^1$

素因数の和:352279

約数の個数: 24

約数和(自身を含む): 59181024

約数和(自身を除く): 38045004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 352267, 704534, 1056801, 1409068, 1761335, 2113602, 3522670, 4227204, 5284005, 7045340, 10568010, 21136020]

約数ペア:

[(1, 21136020), (2, 10568010), (3, 7045340), (4, 5284005), (5, 4227204), (6, 3522670), (10, 2113602), (12, 1761335), (15, 1409068), (20, 1056801), (30, 704534), (60, 352267)]