20210002551

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{7267171}}^1$

素因数の和:7267283

約数の個数: 16

約数和(自身を含む): 30231435520

約数和(自身を除く): 10021432969

約数列:

[1, 3, 9, 27, 103, 309, 927, 2781, 7267171, 21801513, 65404539, 196213617, 748518613, 2245555839, 6736667517, 20210002551]

約数ペア:

[(1, 20210002551), (3, 6736667517), (9, 2245555839), (27, 748518613), (103, 196213617), (309, 65404539), (927, 21801513), (2781, 7267171)]