21666862

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{23099}}^1$

素因数の和:23175

約数の個数: 16

約数和(自身を含む): 37699200

約数和(自身を除く): 16032338

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 23099, 46198, 161693, 323386, 1547633, 3095266, 10833431, 21666862]

約数ペア:

[(1, 21666862), (2, 10833431), (7, 3095266), (14, 1547633), (67, 323386), (134, 161693), (469, 46198), (938, 23099)]