21762601

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4253}}^1$

素因数の和:4320

約数の個数: 16

約数和(自身を含む): 26953344

約数和(自身を除く): 5190743

約数列:

[1, 7, 17, 43, 119, 301, 731, 4253, 5117, 29771, 72301, 182879, 506107, 1280153, 3108943, 21762601]

約数ペア:

[(1, 21762601), (7, 3108943), (17, 1280153), (43, 506107), (119, 182879), (301, 72301), (731, 29771), (4253, 5117)]