21288382

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{1097}}^1$

素因数の和:1443

約数の個数: 16

約数和(自身を含む): 33098112

約数和(自身を除く): 11809730

約数列:

[1, 2, 31, 62, 313, 626, 1097, 2194, 9703, 19406, 34007, 68014, 343361, 686722, 10644191, 21288382]

約数ペア:

[(1, 21288382), (2, 10644191), (31, 686722), (62, 343361), (313, 68014), (626, 34007), (1097, 19406), (2194, 9703)]