21609872

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{46573}}^1$

素因数の和:46610

約数の個数: 20

約数和(自身を含む): 43313820

約数和(自身を除く): 21703948

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 46573, 93146, 186292, 372584, 745168, 1350617, 2701234, 5402468, 10804936, 21609872]

約数ペア:

[(1, 21609872), (2, 10804936), (4, 5402468), (8, 2701234), (16, 1350617), (29, 745168), (58, 372584), (116, 186292), (232, 93146), (464, 46573)]