21980546

素因数分解:

$2^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{1607}}^1$

素因数の和:2593

約数の個数: 16

約数和(自身を含む): 37742976

約数和(自身を除く): 15762430

約数列:

[1, 2, 7, 14, 977, 1607, 1954, 3214, 6839, 11249, 13678, 22498, 1570039, 3140078, 10990273, 21980546]

約数ペア:

[(1, 21980546), (2, 10990273), (7, 3140078), (14, 1570039), (977, 22498), (1607, 13678), (1954, 11249), (3214, 6839)]