21493395837

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{2693}}^1\times {\mathrm{6473}}^1$

素因数の和:9309

約数の個数: 24

約数和(自身を含む): 31289075064

約数和(自身を除く): 9795679227

約数列:

[1, 3, 9, 137, 411, 1233, 2693, 6473, 8079, 19419, 24237, 58257, 368941, 886801, 1106823, 2660403, 3320469, 7981209, 17431789, 52295367, 156886101, 2388155093, 7164465279, 21493395837]

約数ペア:

[(1, 21493395837), (3, 7164465279), (9, 2388155093), (137, 156886101), (411, 52295367), (1233, 17431789), (2693, 7981209), (6473, 3320469), (8079, 2660403), (19419, 1106823), (24237, 886801), (58257, 368941)]