21363944

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8117}}^1$

素因数の和:8177

約数の個数: 32

約数和(自身を含む): 46759680

約数和(自身を除く): 25395736

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 8117, 16234, 32468, 56819, 64936, 113638, 227276, 381499, 454552, 762998, 1525996, 2670493, 3051992, 5340986, 10681972, 21363944]

約数ペア:

[(1, 21363944), (2, 10681972), (4, 5340986), (7, 3051992), (8, 2670493), (14, 1525996), (28, 762998), (47, 454552), (56, 381499), (94, 227276), (188, 113638), (329, 64936), (376, 56819), (658, 32468), (1316, 16234), (2632, 8117)]