21711592

素因数分解:

$2^3\times 7^1\times {\mathrm{387707}}^1$

素因数の和:387720

約数の個数: 16

約数和(自身を含む): 46524960

約数和(自身を除く): 24813368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 387707, 775414, 1550828, 2713949, 3101656, 5427898, 10855796, 21711592]

約数ペア:

[(1, 21711592), (2, 10855796), (4, 5427898), (7, 3101656), (8, 2713949), (14, 1550828), (28, 775414), (56, 387707)]