21794276

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16561}}^1$

素因数の和:16619

約数の個数: 24

約数和(自身を含む): 44518656

約数和(自身を除く): 22724380

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 16561, 33122, 66244, 115927, 231854, 463708, 778367, 1556734, 3113468, 5448569, 10897138, 21794276]

約数ペア:

[(1, 21794276), (2, 10897138), (4, 5448569), (7, 3113468), (14, 1556734), (28, 778367), (47, 463708), (94, 231854), (188, 115927), (329, 66244), (658, 33122), (1316, 16561)]