21619202

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{1721}}^1$

素因数の和:2305

約数の個数: 16

約数和(自身を含む): 35459424

約数和(自身を除く): 13840222

約数列:

[1, 2, 11, 22, 571, 1142, 1721, 3442, 6281, 12562, 18931, 37862, 982691, 1965382, 10809601, 21619202]

約数ペア:

[(1, 21619202), (2, 10809601), (11, 1965382), (22, 982691), (571, 37862), (1142, 18931), (1721, 12562), (3442, 6281)]