21322570

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29209}}^1$

素因数の和:29289

約数の個数: 16

約数和(自身を含む): 38907720

約数和(自身を除く): 17585150

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 29209, 58418, 146045, 292090, 2132257, 4264514, 10661285, 21322570]

約数ペア:

[(1, 21322570), (2, 10661285), (5, 4264514), (10, 2132257), (73, 292090), (146, 146045), (365, 58418), (730, 29209)]