21262910

素因数分解:

$2^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2999}}^1$

素因数の和:3715

約数の個数: 16

約数和(自身を含む): 38340000

約数和(自身を除く): 17077090

約数列:

[1, 2, 5, 10, 709, 1418, 2999, 3545, 5998, 7090, 14995, 29990, 2126291, 4252582, 10631455, 21262910]

約数ペア:

[(1, 21262910), (2, 10631455), (5, 4252582), (10, 2126291), (709, 29990), (1418, 14995), (2999, 7090), (3545, 5998)]