21957782

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20369}}^1$

素因数の和:20396

約数の個数: 24

約数和(自身を含む): 41799240

約数和(自身を除く): 19841458

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 20369, 40738, 142583, 224059, 285166, 448118, 998081, 1568413, 1996162, 3136826, 10978891, 21957782]

約数ペア:

[(1, 21957782), (2, 10978891), (7, 3136826), (11, 1996162), (14, 1568413), (22, 998081), (49, 448118), (77, 285166), (98, 224059), (154, 142583), (539, 40738), (1078, 20369)]