21686656

素因数分解:

$2^7\times {\mathrm{169427}}^1$

素因数の和:169441

約数の個数: 16

約数和(自身を含む): 43204140

約数和(自身を除く): 21517484

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 169427, 338854, 677708, 1355416, 2710832, 5421664, 10843328, 21686656]

約数ペア:

[(1, 21686656), (2, 10843328), (4, 5421664), (8, 2710832), (16, 1355416), (32, 677708), (64, 338854), (128, 169427)]