21754131

素因数分解:

$3^1\times 7^1\times {\mathrm{953}}^1\times {\mathrm{1087}}^1$

素因数の和:2050

約数の個数: 16

約数和(自身を含む): 33214464

約数和(自身を除く): 11460333

約数列:

[1, 3, 7, 21, 953, 1087, 2859, 3261, 6671, 7609, 20013, 22827, 1035911, 3107733, 7251377, 21754131]

約数ペア:

[(1, 21754131), (3, 7251377), (7, 3107733), (21, 1035911), (953, 22827), (1087, 20013), (2859, 7609), (3261, 6671)]