21000455539

素因数分解:

$7^1\times {\mathrm{191}}^1\times {\mathrm{673}}^1\times {\mathrm{23339}}^1$

素因数の和:24210

約数の個数: 16

約数和(自身を含む): 24163061760

約数和(自身を除く): 3162606221

約数列:

[1, 7, 191, 673, 1337, 4711, 23339, 128543, 163373, 899801, 4457749, 15707147, 31204243, 109950029, 3000065077, 21000455539]

約数ペア:

[(1, 21000455539), (7, 3000065077), (191, 109950029), (673, 31204243), (1337, 15707147), (4711, 4457749), (23339, 899801), (128543, 163373)]