21849947

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5923}}^1$

素因数の和:5978

約数の個数: 16

約数和(自身を含む): 27297792

約数和(自身を除く): 5447845

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5923, 41461, 100691, 183613, 704837, 1285291, 3121421, 21849947]

約数ペア:

[(1, 21849947), (7, 3121421), (17, 1285291), (31, 704837), (119, 183613), (217, 100691), (527, 41461), (3689, 5923)]