21513344

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{1283}}^1$

素因数の和:1428

約数の個数: 32

約数和(自身を含む): 43219440

約数和(自身を除く): 21706096

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 1283, 2096, 2566, 4192, 5132, 8384, 10264, 16768, 20528, 41056, 82112, 164224, 168073, 336146, 672292, 1344584, 2689168, 5378336, 10756672, 21513344]

約数ペア:

[(1, 21513344), (2, 10756672), (4, 5378336), (8, 2689168), (16, 1344584), (32, 672292), (64, 336146), (128, 168073), (131, 164224), (262, 82112), (524, 41056), (1048, 20528), (1283, 16768), (2096, 10264), (2566, 8384), (4192, 5132)]