21987042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47591}}^1$

素因数の和:47614

約数の個数: 32

約数和(自身を含む): 54825984

約数和(自身を除く): 32838942

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 47591, 95182, 142773, 285546, 333137, 523501, 666274, 999411, 1047002, 1570503, 1998822, 3141006, 3664507, 7329014, 10993521, 21987042]

約数ペア:

[(1, 21987042), (2, 10993521), (3, 7329014), (6, 3664507), (7, 3141006), (11, 1998822), (14, 1570503), (21, 1047002), (22, 999411), (33, 666274), (42, 523501), (66, 333137), (77, 285546), (154, 142773), (231, 95182), (462, 47591)]