21388395008

素因数分解:

$2^9\times {\mathrm{41774209}}^1$

素因数の和:41774227

約数の個数: 20

約数和(自身を含む): 42735016830

約数和(自身を除く): 21346621822

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41774209, 83548418, 167096836, 334193672, 668387344, 1336774688, 2673549376, 5347098752, 10694197504, 21388395008]

約数ペア:

[(1, 21388395008), (2, 10694197504), (4, 5347098752), (8, 2673549376), (16, 1336774688), (32, 668387344), (64, 334193672), (128, 167096836), (256, 83548418), (512, 41774209)]