21044992

素因数分解:

$2^8\times {\mathrm{82207}}^1$

素因数の和:82223

約数の個数: 18

約数和(自身を含む): 42008288

約数和(自身を除く): 20963296

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 82207, 164414, 328828, 657656, 1315312, 2630624, 5261248, 10522496, 21044992]

約数ペア:

[(1, 21044992), (2, 10522496), (4, 5261248), (8, 2630624), (16, 1315312), (32, 657656), (64, 328828), (128, 164414), (256, 82207)]