21453656

素因数分解:

$2^3\times 7^1\times {\mathrm{383101}}^1$

素因数の和:383114

約数の個数: 16

約数和(自身を含む): 45972240

約数和(自身を除く): 24518584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 383101, 766202, 1532404, 2681707, 3064808, 5363414, 10726828, 21453656]

約数ペア:

[(1, 21453656), (2, 10726828), (4, 5363414), (7, 3064808), (8, 2681707), (14, 1532404), (28, 766202), (56, 383101)]