21276050

素因数分解:

$2^1\times 5^2\times {\mathrm{425521}}^1$

素因数の和:425533

約数の個数: 12

約数和(自身を含む): 39573546

約数和(自身を除く): 18297496

約数列:

[1, 2, 5, 10, 25, 50, 425521, 851042, 2127605, 4255210, 10638025, 21276050]

約数ペア:

[(1, 21276050), (2, 10638025), (5, 4255210), (10, 2127605), (25, 851042), (50, 425521)]