21146741

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4099}}^1$

素因数の和:4184

約数の個数: 16

約数和(自身を含む): 26764800

約数和(自身を除く): 5618059

約数列:

[1, 7, 11, 67, 77, 469, 737, 4099, 5159, 28693, 45089, 274633, 315623, 1922431, 3020963, 21146741]

約数ペア:

[(1, 21146741), (7, 3020963), (11, 1922431), (67, 315623), (77, 274633), (469, 45089), (737, 28693), (4099, 5159)]