21386752

素因数分解:

$2^9\times {\mathrm{41771}}^1$

素因数の和:41789

約数の個数: 20

約数和(自身を含む): 42732756

約数和(自身を除く): 21346004

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41771, 83542, 167084, 334168, 668336, 1336672, 2673344, 5346688, 10693376, 21386752]

約数ペア:

[(1, 21386752), (2, 10693376), (4, 5346688), (8, 2673344), (16, 1336672), (32, 668336), (64, 334168), (128, 167084), (256, 83542), (512, 41771)]