21319413

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{9967}}^1$

素因数の和:10024

約数の個数: 16

約数和(自身を含む): 30621696

約数和(自身を除く): 9302283

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 9967, 29901, 229241, 308977, 687723, 926931, 7106471, 21319413]

約数ペア:

[(1, 21319413), (3, 7106471), (23, 926931), (31, 687723), (69, 308977), (93, 229241), (713, 29901), (2139, 9967)]