21186709

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 23269680

約数和(自身を除く): 2082971

約数列:

[1, 17, 41, 113, 269, 697, 1921, 4573, 4633, 11029, 30397, 78761, 187493, 516749, 1246277, 21186709]

約数ペア:

[(1, 21186709), (17, 1246277), (41, 516749), (113, 187493), (269, 78761), (697, 30397), (1921, 11029), (4573, 4633)]