21352521

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{523}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 29511680

約数和(自身を除く): 8159159

約数列:

[1, 3, 31, 93, 439, 523, 1317, 1569, 13609, 16213, 40827, 48639, 229597, 688791, 7117507, 21352521]

約数ペア:

[(1, 21352521), (3, 7117507), (31, 688791), (93, 229597), (439, 48639), (523, 40827), (1317, 16213), (1569, 13609)]