21330130

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{57649}}^1$

素因数の和:57693

約数の個数: 16

約数和(自身を含む): 39432600

約数和(自身を除く): 18102470

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 57649, 115298, 288245, 576490, 2133013, 4266026, 10665065, 21330130]

約数ペア:

[(1, 21330130), (2, 10665065), (5, 4266026), (10, 2133013), (37, 576490), (74, 288245), (185, 115298), (370, 57649)]