21054441

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 28719104

約数和(自身を除く): 7664663

約数列:

[1, 3, 73, 127, 219, 381, 757, 2271, 9271, 27813, 55261, 96139, 165783, 288417, 7018147, 21054441]

約数ペア:

[(1, 21054441), (3, 7018147), (73, 288417), (127, 165783), (219, 96139), (381, 55261), (757, 27813), (2271, 9271)]