2100891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 3051776

約数和(自身を除く): 950885

約数列:

[1, 3, 13, 39, 103, 309, 523, 1339, 1569, 4017, 6799, 20397, 53869, 161607, 700297, 2100891]

約数ペア:

[(1, 2100891), (3, 700297), (13, 161607), (39, 53869), (103, 20397), (309, 6799), (523, 4017), (1339, 1569)]