21509098

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{7321}}^1$

素因数の和:7449

約数の個数: 16

約数和(自身を含む): 35057736

約数和(自身を除く): 13548638

約数列:

[1, 2, 13, 26, 113, 226, 1469, 2938, 7321, 14642, 95173, 190346, 827273, 1654546, 10754549, 21509098]

約数ペア:

[(1, 21509098), (2, 10754549), (13, 1654546), (26, 827273), (113, 190346), (226, 95173), (1469, 14642), (2938, 7321)]