21587928

素因数分解:

$2^3\times 3^1\times {\mathrm{431}}^1\times {\mathrm{2087}}^1$

素因数の和:2527

約数の個数: 32

約数和(自身を含む): 54120960

約数和(自身を除く): 32533032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 431, 862, 1293, 1724, 2087, 2586, 3448, 4174, 5172, 6261, 8348, 10344, 12522, 16696, 25044, 50088, 899497, 1798994, 2698491, 3597988, 5396982, 7195976, 10793964, 21587928]

約数ペア:

[(1, 21587928), (2, 10793964), (3, 7195976), (4, 5396982), (6, 3597988), (8, 2698491), (12, 1798994), (24, 899497), (431, 50088), (862, 25044), (1293, 16696), (1724, 12522), (2087, 10344), (2586, 8348), (3448, 6261), (4174, 5172)]