21254662

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{74317}}^1$

素因数の和:74343

約数の個数: 16

約数和(自身を含む): 37456272

約数和(自身を除く): 16201610

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 74317, 148634, 817487, 966121, 1634974, 1932242, 10627331, 21254662]

約数ペア:

[(1, 21254662), (2, 10627331), (11, 1932242), (13, 1634974), (22, 966121), (26, 817487), (143, 148634), (286, 74317)]