21254656

素因数分解:

$2^9\times {\mathrm{41513}}^1$

素因数の和:41531

約数の個数: 20

約数和(自身を含む): 42468822

約数和(自身を除く): 21214166

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41513, 83026, 166052, 332104, 664208, 1328416, 2656832, 5313664, 10627328, 21254656]

約数ペア:

[(1, 21254656), (2, 10627328), (4, 5313664), (8, 2656832), (16, 1328416), (32, 664208), (64, 332104), (128, 166052), (256, 83026), (512, 41513)]