21267374

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{1123}}^1$

素因数の和:1699

約数の個数: 16

約数和(自身を含む): 33868368

約数和(自身を除く): 12600994

約数列:

[1, 2, 17, 34, 557, 1114, 1123, 2246, 9469, 18938, 19091, 38182, 625511, 1251022, 10633687, 21267374]

約数ペア:

[(1, 21267374), (2, 10633687), (17, 1251022), (34, 625511), (557, 38182), (1114, 19091), (1123, 18938), (2246, 9469)]