21910904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{617}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 43161120

約数和(自身を除く): 21250216

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 193, 386, 617, 772, 1234, 1544, 2468, 4439, 4936, 8878, 14191, 17756, 28382, 35512, 56764, 113528, 119081, 238162, 476324, 952648, 2738863, 5477726, 10955452, 21910904]

約数ペア:

[(1, 21910904), (2, 10955452), (4, 5477726), (8, 2738863), (23, 952648), (46, 476324), (92, 238162), (184, 119081), (193, 113528), (386, 56764), (617, 35512), (772, 28382), (1234, 17756), (1544, 14191), (2468, 8878), (4439, 4936)]