21892913

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{433}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 25998336

約数和(自身を除く): 4105423

約数列:

[1, 7, 31, 217, 233, 433, 1631, 3031, 7223, 13423, 50561, 93961, 100889, 706223, 3127559, 21892913]

約数ペア:

[(1, 21892913), (7, 3127559), (31, 706223), (217, 100889), (233, 93961), (433, 50561), (1631, 13423), (3031, 7223)]