2100406959

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{223757}}^1$

素因数の和:223919

約数の個数: 24

約数和(自身を含む): 3490624800

約数和(自身を除く): 1390217841

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 9387, 223757, 671271, 1566299, 2013813, 4698897, 14096691, 33339793, 100019379, 233378551, 300058137, 700135653, 2100406959]

約数ペア:

[(1, 2100406959), (3, 700135653), (7, 300058137), (9, 233378551), (21, 100019379), (63, 33339793), (149, 14096691), (447, 4698897), (1043, 2013813), (1341, 1566299), (3129, 671271), (9387, 223757)]