21167249457

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1\times {\mathrm{11161}}^1$

素因数の和:12129

約数の個数: 32

約数和(自身を含む): 30648530304

約数和(自身を除く): 9481280847

約数列:

[1, 3, 17, 41, 51, 123, 697, 907, 2091, 2721, 11161, 15419, 33483, 37187, 46257, 111561, 189737, 457601, 569211, 632179, 1372803, 1896537, 7779217, 10123027, 23337651, 30369081, 172091459, 415044107, 516274377, 1245132321, 7055749819, 21167249457]

約数ペア:

[(1, 21167249457), (3, 7055749819), (17, 1245132321), (41, 516274377), (51, 415044107), (123, 172091459), (697, 30369081), (907, 23337651), (2091, 10123027), (2721, 7779217), (11161, 1896537), (15419, 1372803), (33483, 632179), (37187, 569211), (46257, 457601), (111561, 189737)]