21469216

素因数分解:

$2^5\times {\mathrm{263}}^1\times {\mathrm{2551}}^1$

素因数の和:2824

約数の個数: 24

約数和(自身を含む): 42444864

約数和(自身を除く): 20975648

約数列:

[1, 2, 4, 8, 16, 32, 263, 526, 1052, 2104, 2551, 4208, 5102, 8416, 10204, 20408, 40816, 81632, 670913, 1341826, 2683652, 5367304, 10734608, 21469216]

約数ペア:

[(1, 21469216), (2, 10734608), (4, 5367304), (8, 2683652), (16, 1341826), (32, 670913), (263, 81632), (526, 40816), (1052, 20408), (2104, 10204), (2551, 8416), (4208, 5102)]