21026816

素因数分解:

$2^{11}\times {\mathrm{10267}}^1$

素因数の和:10289

約数の個数: 24

約数和(自身を含む): 42047460

約数和(自身を除く): 21020644

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 10267, 20534, 41068, 82136, 164272, 328544, 657088, 1314176, 2628352, 5256704, 10513408, 21026816]

約数ペア:

[(1, 21026816), (2, 10513408), (4, 5256704), (8, 2628352), (16, 1314176), (32, 657088), (64, 328544), (128, 164272), (256, 82136), (512, 41068), (1024, 20534), (2048, 10267)]