21860111

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1049}}^1$

素因数の和:1298

約数の個数: 16

約数和(自身を含む): 27048000

約数和(自身を除く): 5187889

約数列:

[1, 7, 13, 91, 229, 1049, 1603, 2977, 7343, 13637, 20839, 95459, 240221, 1681547, 3122873, 21860111]

約数ペア:

[(1, 21860111), (7, 3122873), (13, 1681547), (91, 240221), (229, 95459), (1049, 20839), (1603, 13637), (2977, 7343)]