21367072

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{4253}}^1$

素因数の和:4420

約数の個数: 24

約数和(自身を含む): 42344316

約数和(自身を除く): 20977244

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 4253, 5024, 8506, 17012, 34024, 68048, 136096, 667721, 1335442, 2670884, 5341768, 10683536, 21367072]

約数ペア:

[(1, 21367072), (2, 10683536), (4, 5341768), (8, 2670884), (16, 1335442), (32, 667721), (157, 136096), (314, 68048), (628, 34024), (1256, 17012), (2512, 8506), (4253, 5024)]