21789274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49297}}^1$

素因数の和:49329

約数の個数: 16

約数和(自身を含む): 37269288

約数和(自身を除く): 15480014

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 49297, 98594, 640861, 838049, 1281722, 1676098, 10894637, 21789274]

約数ペア:

[(1, 21789274), (2, 10894637), (13, 1676098), (17, 1281722), (26, 838049), (34, 640861), (221, 98594), (442, 49297)]