22171961

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 27989280

約数和(自身を除く): 5817319

約数列:

[1, 7, 17, 43, 49, 119, 301, 619, 731, 833, 2107, 4333, 5117, 10523, 26617, 30331, 35819, 73661, 186319, 452489, 515627, 1304233, 3167423, 22171961]

約数ペア:

[(1, 22171961), (7, 3167423), (17, 1304233), (43, 515627), (49, 452489), (119, 186319), (301, 73661), (619, 35819), (731, 30331), (833, 26617), (2107, 10523), (4333, 5117)]