21906663910

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{14702459}}^1$

素因数の和:14702615

約数の個数: 16

約数和(自身を含む): 39696642000

約数和(自身を除く): 17789978090

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 14702459, 29404918, 73512295, 147024590, 2190666391, 4381332782, 10953331955, 21906663910]

約数ペア:

[(1, 21906663910), (2, 10953331955), (5, 4381332782), (10, 2190666391), (149, 147024590), (298, 73512295), (745, 29404918), (1490, 14702459)]