21025690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{300367}}^1$

素因数の和:300381

約数の個数: 16

約数和(自身を含む): 43252992

約数和(自身を除く): 22227302

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 300367, 600734, 1501835, 2102569, 3003670, 4205138, 10512845, 21025690]

約数ペア:

[(1, 21025690), (2, 10512845), (5, 4205138), (7, 3003670), (10, 2102569), (14, 1501835), (35, 600734), (70, 300367)]