21135642

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{320237}}^1$

素因数の和:320253

約数の個数: 16

約数和(自身を含む): 46114272

約数和(自身を除く): 24978630

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 320237, 640474, 960711, 1921422, 3522607, 7045214, 10567821, 21135642]

約数ペア:

[(1, 21135642), (2, 10567821), (3, 7045214), (6, 3522607), (11, 1921422), (22, 960711), (33, 640474), (66, 320237)]