21033130

素因数分解:

$2^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{3221}}^1$

素因数の和:3881

約数の個数: 16

約数和(自身を含む): 37929384

約数和(自身を除く): 16896254

約数列:

[1, 2, 5, 10, 653, 1306, 3221, 3265, 6442, 6530, 16105, 32210, 2103313, 4206626, 10516565, 21033130]

約数ペア:

[(1, 21033130), (2, 10516565), (5, 4206626), (10, 2103313), (653, 32210), (1306, 16105), (3221, 6530), (3265, 6442)]