21551896

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65707}}^1$

素因数の和:65754

約数の個数: 16

約数和(自身を含む): 41396040

約数和(自身を除く): 19844144

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65707, 131414, 262828, 525656, 2693987, 5387974, 10775948, 21551896]

約数ペア:

[(1, 21551896), (2, 10775948), (4, 5387974), (8, 2693987), (41, 525656), (82, 262828), (164, 131414), (328, 65707)]