2100819

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1490

約数の個数: 16

約数和(自身を含む): 3248640

約数和(自身を除く): 1147821

約数列:

[1, 3, 7, 21, 71, 213, 497, 1409, 1491, 4227, 9863, 29589, 100039, 300117, 700273, 2100819]

約数ペア:

[(1, 2100819), (3, 700273), (7, 300117), (21, 100039), (71, 29589), (213, 9863), (497, 4227), (1409, 1491)]