21304095

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61751}}^1$

素因数の和:61782

約数の個数: 16

約数和(自身を含む): 35569152

約数和(自身を除く): 14265057

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 61751, 185253, 308755, 926265, 1420273, 4260819, 7101365, 21304095]

約数ペア:

[(1, 21304095), (3, 7101365), (5, 4260819), (15, 1420273), (23, 926265), (69, 308755), (115, 185253), (345, 61751)]