21396078

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{108061}}^1$

素因数の和:108080

約数の個数: 24

約数和(自身を含む): 50573016

約数和(自身を除く): 29176938

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 108061, 216122, 324183, 648366, 972549, 1188671, 1945098, 2377342, 3566013, 7132026, 10698039, 21396078]

約数ペア:

[(1, 21396078), (2, 10698039), (3, 7132026), (6, 3566013), (9, 2377342), (11, 1945098), (18, 1188671), (22, 972549), (33, 648366), (66, 324183), (99, 216122), (198, 108061)]