21626754910

素因数分解:

$2^1\times 5^1\times {\mathrm{5333}}^1\times {\mathrm{405527}}^1$

素因数の和:410867

約数の個数: 16

約数和(自身を含む): 38935554336

約数和(自身を除く): 17308799426

約数列:

[1, 2, 5, 10, 5333, 10666, 26665, 53330, 405527, 811054, 2027635, 4055270, 2162675491, 4325350982, 10813377455, 21626754910]

約数ペア:

[(1, 21626754910), (2, 10813377455), (5, 4325350982), (10, 2162675491), (5333, 4055270), (10666, 2027635), (26665, 811054), (53330, 405527)]