21906420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{365107}}^1$

素因数の和:365119

約数の個数: 24

約数和(自身を含む): 61338144

約数和(自身を除く): 39431724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 365107, 730214, 1095321, 1460428, 1825535, 2190642, 3651070, 4381284, 5476605, 7302140, 10953210, 21906420]

約数ペア:

[(1, 21906420), (2, 10953210), (3, 7302140), (4, 5476605), (5, 4381284), (6, 3651070), (10, 2190642), (12, 1825535), (15, 1460428), (20, 1095321), (30, 730214), (60, 365107)]