20121016321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5216753}}^1$

素因数の和:5216808

約数の個数: 16

約数和(自身を含む): 25040419200

約数和(自身を除く): 4919402879

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5216753, 36517271, 99118307, 151285837, 693828149, 1059000859, 2874430903, 20121016321]

約数ペア:

[(1, 20121016321), (7, 2874430903), (19, 1059000859), (29, 693828149), (133, 151285837), (203, 99118307), (551, 36517271), (3857, 5216753)]