21821912

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8291}}^1$

素因数の和:8351

約数の個数: 32

約数和(自身を含む): 47761920

約数和(自身を除く): 25940008

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 8291, 16582, 33164, 58037, 66328, 116074, 232148, 389677, 464296, 779354, 1558708, 2727739, 3117416, 5455478, 10910956, 21821912]

約数ペア:

[(1, 21821912), (2, 10910956), (4, 5455478), (7, 3117416), (8, 2727739), (14, 1558708), (28, 779354), (47, 464296), (56, 389677), (94, 232148), (188, 116074), (329, 66328), (376, 58037), (658, 33164), (1316, 16582), (2632, 8291)]