21000545426

素因数分解:

$2^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{9202693}}^1$

素因数の和:9202865

約数の個数: 16

約数和(自身を含む): 36221803584

約数和(自身を除く): 15221258158

約数列:

[1, 2, 7, 14, 163, 326, 1141, 2282, 9202693, 18405386, 64418851, 128837702, 1500038959, 3000077918, 10500272713, 21000545426]

約数ペア:

[(1, 21000545426), (2, 10500272713), (7, 3000077918), (14, 1500038959), (163, 128837702), (326, 64418851), (1141, 18405386), (2282, 9202693)]