21368269

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3119}}^1$

素因数の和:3180

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 3791411

約数列:

[1, 13, 17, 31, 221, 403, 527, 3119, 6851, 40547, 53023, 96689, 689299, 1256957, 1643713, 21368269]

約数ペア:

[(1, 21368269), (13, 1643713), (17, 1256957), (31, 689299), (221, 96689), (403, 53023), (527, 40547), (3119, 6851)]