21509852

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59093}}^1$

素因数の和:59117

約数の個数: 24

約数和(自身を含む): 46329696

約数和(自身を除く): 24819844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 59093, 118186, 236372, 413651, 768209, 827302, 1536418, 1654604, 3072836, 5377463, 10754926, 21509852]

約数ペア:

[(1, 21509852), (2, 10754926), (4, 5377463), (7, 3072836), (13, 1654604), (14, 1536418), (26, 827302), (28, 768209), (52, 413651), (91, 236372), (182, 118186), (364, 59093)]