21668227

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{827}}^1$

素因数の和:1050

約数の個数: 16

約数和(自身を含む): 26231040

約数和(自身を除く): 4562813

約数列:

[1, 7, 19, 133, 197, 827, 1379, 3743, 5789, 15713, 26201, 109991, 162919, 1140433, 3095461, 21668227]

約数ペア:

[(1, 21668227), (7, 3095461), (19, 1140433), (133, 162919), (197, 109991), (827, 26201), (1379, 15713), (3743, 5789)]