21317163

素因数分解:

$3^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{1039}}^1$

素因数の和:2026

約数の個数: 16

約数和(自身を含む): 32547840

約数和(自身を除く): 11230677

約数列:

[1, 3, 7, 21, 977, 1039, 2931, 3117, 6839, 7273, 20517, 21819, 1015103, 3045309, 7105721, 21317163]

約数ペア:

[(1, 21317163), (3, 7105721), (7, 3045309), (21, 1015103), (977, 21819), (1039, 20517), (2931, 7273), (3117, 6839)]