21249285123

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1\times {\mathrm{11701}}^1$

素因数の和:12315

約数の個数: 32

約数和(自身を含む): 31248271872

約数和(自身を除く): 9998986749

約数列:

[1, 3, 11, 33, 113, 339, 487, 1243, 1461, 3729, 5357, 11701, 16071, 35103, 55031, 128711, 165093, 386133, 605341, 1322213, 1816023, 3966639, 5698387, 14544343, 17095161, 43633029, 62682257, 188046771, 643917731, 1931753193, 7083095041, 21249285123]

約数ペア:

[(1, 21249285123), (3, 7083095041), (11, 1931753193), (33, 643917731), (113, 188046771), (339, 62682257), (487, 43633029), (1243, 17095161), (1461, 14544343), (3729, 5698387), (5357, 3966639), (11701, 1816023), (16071, 1322213), (35103, 605341), (55031, 386133), (128711, 165093)]