21545426

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90527}}^1$

素因数の和:90553

約数の個数: 16

約数和(自身を含む): 39108096

約数和(自身を除く): 17562670

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 90527, 181054, 633689, 1267378, 1538959, 3077918, 10772713, 21545426]

約数ペア:

[(1, 21545426), (2, 10772713), (7, 3077918), (14, 1538959), (17, 1267378), (34, 633689), (119, 181054), (238, 90527)]