21214053

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4057}}^1$

素因数の和:4153

約数の個数: 24

約数和(自身を含む): 35450688

約数和(自身を除く): 14236635

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 4057, 5229, 12171, 28399, 36513, 85197, 255591, 336731, 1010193, 2357117, 3030579, 7071351, 21214053]

約数ペア:

[(1, 21214053), (3, 7071351), (7, 3030579), (9, 2357117), (21, 1010193), (63, 336731), (83, 255591), (249, 85197), (581, 36513), (747, 28399), (1743, 12171), (4057, 5229)]