21773549

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 27114240

約数和(自身を除く): 5340691

約数列:

[1, 7, 17, 47, 119, 229, 289, 329, 799, 1603, 2023, 3893, 5593, 10763, 13583, 27251, 66181, 75341, 95081, 182971, 463267, 1280797, 3110507, 21773549]

約数ペア:

[(1, 21773549), (7, 3110507), (17, 1280797), (47, 463267), (119, 182971), (229, 95081), (289, 75341), (329, 66181), (799, 27251), (1603, 13583), (2023, 10763), (3893, 5593)]