21352852

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2143}}^1$

素因数の和:2247

約数の個数: 24

約数和(自身を含む): 38900736

約数和(自身を除く): 17547884

約数列:

[1, 2, 4, 47, 53, 94, 106, 188, 212, 2143, 2491, 4286, 4982, 8572, 9964, 100721, 113579, 201442, 227158, 402884, 454316, 5338213, 10676426, 21352852]

約数ペア:

[(1, 21352852), (2, 10676426), (4, 5338213), (47, 454316), (53, 402884), (94, 227158), (106, 201442), (188, 113579), (212, 100721), (2143, 9964), (2491, 8572), (4286, 4982)]