21310136

素因数分解:

$2^3\times {\mathrm{827}}^1\times {\mathrm{3221}}^1$

素因数の和:4054

約数の個数: 16

約数和(自身を含む): 40017240

約数和(自身を除く): 18707104

約数列:

[1, 2, 4, 8, 827, 1654, 3221, 3308, 6442, 6616, 12884, 25768, 2663767, 5327534, 10655068, 21310136]

約数ペア:

[(1, 21310136), (2, 10655068), (4, 5327534), (8, 2663767), (827, 25768), (1654, 12884), (3221, 6616), (3308, 6442)]