21037010

素因数分解:

$2^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{3001}}^1$

素因数の和:3709

約数の個数: 16

約数和(自身を含む): 37933272

約数和(自身を除く): 16896262

約数列:

[1, 2, 5, 10, 701, 1402, 3001, 3505, 6002, 7010, 15005, 30010, 2103701, 4207402, 10518505, 21037010]

約数ペア:

[(1, 21037010), (2, 10518505), (5, 4207402), (10, 2103701), (701, 30010), (1402, 15005), (3001, 7010), (3505, 6002)]