21392042

素因数分解:

$2^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{1987}}^1$

素因数の和:2765

約数の個数: 16

約数和(自身を含む): 36738240

約数和(自身を除く): 15346198

約数列:

[1, 2, 7, 14, 769, 1538, 1987, 3974, 5383, 10766, 13909, 27818, 1528003, 3056006, 10696021, 21392042]

約数ペア:

[(1, 21392042), (2, 10696021), (7, 3056006), (14, 1528003), (769, 27818), (1538, 13909), (1987, 10766), (3974, 5383)]