21841787

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 25380864

約数和(自身を除く): 3539077

約数列:

[1, 11, 17, 187, 271, 431, 2981, 4607, 4741, 7327, 50677, 80597, 116801, 1284811, 1985617, 21841787]

約数ペア:

[(1, 21841787), (11, 1985617), (17, 1284811), (187, 116801), (271, 80597), (431, 50677), (2981, 7327), (4607, 4741)]