21506048

素因数分解:

$2^{11}\times {\mathrm{10501}}^1$

素因数の和:10523

約数の個数: 24

約数和(自身を含む): 43005690

約数和(自身を除く): 21499642

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 10501, 21002, 42004, 84008, 168016, 336032, 672064, 1344128, 2688256, 5376512, 10753024, 21506048]

約数ペア:

[(1, 21506048), (2, 10753024), (4, 5376512), (8, 2688256), (16, 1344128), (32, 672064), (64, 336032), (128, 168016), (256, 84008), (512, 42004), (1024, 21002), (2048, 10501)]