21059829

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11527}}^1$

素因数の和:11569

約数の個数: 24

約数和(自身を含む): 35967360

約数和(自身を除く): 14907531

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 11527, 34581, 80689, 103743, 242067, 334283, 726201, 1002849, 2339981, 3008547, 7019943, 21059829]

約数ペア:

[(1, 21059829), (3, 7019943), (7, 3008547), (9, 2339981), (21, 1002849), (29, 726201), (63, 334283), (87, 242067), (203, 103743), (261, 80689), (609, 34581), (1827, 11527)]