21364496

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{6991}}^1$

素因数の和:7190

約数の個数: 20

約数和(自身を含む): 41616384

約数和(自身を除く): 20251888

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 6991, 13982, 27964, 55928, 111856, 1335281, 2670562, 5341124, 10682248, 21364496]

約数ペア:

[(1, 21364496), (2, 10682248), (4, 5341124), (8, 2670562), (16, 1335281), (191, 111856), (382, 55928), (764, 27964), (1528, 13982), (3056, 6991)]