21378936458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3739}}^1\times {\mathrm{13679}}^1$

素因数の和:17450

約数の個数: 32

約数和(自身を含む): 36837504000

約数和(自身を除く): 15458567542

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 3739, 7478, 13679, 27358, 41129, 71041, 82258, 142082, 150469, 259901, 300938, 519802, 781451, 1562902, 2858911, 5717822, 51145781, 102291562, 562603591, 971769839, 1125207182, 1943539678, 10689468229, 21378936458]

約数ペア:

[(1, 21378936458), (2, 10689468229), (11, 1943539678), (19, 1125207182), (22, 971769839), (38, 562603591), (209, 102291562), (418, 51145781), (3739, 5717822), (7478, 2858911), (13679, 1562902), (27358, 781451), (41129, 519802), (71041, 300938), (82258, 259901), (142082, 150469)]