21256116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253049}}^1$

素因数の和:253063

約数の個数: 24

約数和(自身を含む): 56683200

約数和(自身を除く): 35427084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253049, 506098, 759147, 1012196, 1518294, 1771343, 3036588, 3542686, 5314029, 7085372, 10628058, 21256116]

約数ペア:

[(1, 21256116), (2, 10628058), (3, 7085372), (4, 5314029), (6, 3542686), (7, 3036588), (12, 1771343), (14, 1518294), (21, 1012196), (28, 759147), (42, 506098), (84, 253049)]