21039522039

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{11630471}}^1$

素因数の和:11630547

約数の個数: 16

約数和(自身を含む): 31634883840

約数和(自身を除く): 10595361801

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 11630471, 34891413, 104674239, 314022717, 779241557, 2337724671, 7013174013, 21039522039]

約数ペア:

[(1, 21039522039), (3, 7013174013), (9, 2337724671), (27, 779241557), (67, 314022717), (201, 104674239), (603, 34891413), (1809, 11630471)]