21352952

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157007}}^1$

素因数の和:157030

約数の個数: 16

約数和(自身を含む): 42392160

約数和(自身を除く): 21039208

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157007, 314014, 628028, 1256056, 2669119, 5338238, 10676476, 21352952]

約数ペア:

[(1, 21352952), (2, 10676476), (4, 5338238), (8, 2669119), (17, 1256056), (34, 628028), (68, 314014), (136, 157007)]