21503823

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1747}}^1$

素因数の和:2134

約数の個数: 16

約数和(自身を含む): 31380096

約数和(自身を除く): 9876273

約数列:

[1, 3, 11, 33, 373, 1119, 1747, 4103, 5241, 12309, 19217, 57651, 651631, 1954893, 7167941, 21503823]

約数ペア:

[(1, 21503823), (3, 7167941), (11, 1954893), (33, 651631), (373, 57651), (1119, 19217), (1747, 12309), (4103, 5241)]