21323264

素因数分解:

$2^9\times {\mathrm{41647}}^1$

素因数の和:41665

約数の個数: 20

約数和(自身を含む): 42605904

約数和(自身を除く): 21282640

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41647, 83294, 166588, 333176, 666352, 1332704, 2665408, 5330816, 10661632, 21323264]

約数ペア:

[(1, 21323264), (2, 10661632), (4, 5330816), (8, 2665408), (16, 1332704), (32, 666352), (64, 333176), (128, 166588), (256, 83294), (512, 41647)]