21507416

素因数分解:

$2^3\times 7^1\times {\mathrm{384061}}^1$

素因数の和:384074

約数の個数: 16

約数和(自身を含む): 46087440

約数和(自身を除く): 24580024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 384061, 768122, 1536244, 2688427, 3072488, 5376854, 10753708, 21507416]

約数ペア:

[(1, 21507416), (2, 10753708), (4, 5376854), (7, 3072488), (8, 2688427), (14, 1536244), (28, 768122), (56, 384061)]