21137253

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{701}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 31056480

約数和(自身を除く): 9919227

約数列:

[1, 3, 19, 23, 57, 69, 437, 529, 701, 1311, 1587, 2103, 10051, 13319, 16123, 30153, 39957, 48369, 306337, 370829, 919011, 1112487, 7045751, 21137253]

約数ペア:

[(1, 21137253), (3, 7045751), (19, 1112487), (23, 919011), (57, 370829), (69, 306337), (437, 48369), (529, 39957), (701, 30153), (1311, 16123), (1587, 13319), (2103, 10051)]