21582003

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{691}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 29894400

約数和(自身を除く): 8312397

約数列:

[1, 3, 29, 87, 359, 691, 1077, 2073, 10411, 20039, 31233, 60117, 248069, 744207, 7194001, 21582003]

約数ペア:

[(1, 21582003), (3, 7194001), (29, 744207), (87, 248069), (359, 60117), (691, 31233), (1077, 20039), (2073, 10411)]